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1 datasheet micropower voltage reference isl21010 the isl21010 is a precision, low dropout micropower bandgap voltage reference in a space-saving sot-23 package. it operates from a single 2.2v to 5.5v supply (minimum voltage is dependent on voltage option) a nd provides a 0.2% accurate reference. the isl21010 provides up to 25ma output current sourcing with low 150mv dropout voltage. output voltage options include 1.024v, 1.2v, 1.5v, 2.048v, 2.5v, 3.0v, 3.3v and 4.096v. the low supply current and low dropout voltage combined with high accuracy make the isl21010 ideal for precision battery powered applications. applications ? battery management/monitoring ? low power standby voltages ? portable instrumentation ? consumer/medical electronics ? lower cost industrial and instrumentation ? power regulation circuits ? control loops and compensation networks ? led/diode supply features ? reference output voltages . . . . . . . . . . . 1.024v, 1.25v, 1.5v, 2.048v, 2.5v, 3.0v, 3.3v, 4.096v ? precision 0.2% initial accuracy ? input voltage range: - isl21010-10, -12, -15 -20 . . . . . . . . . . . . . . . . 2.2v to 5.5v - isl21010-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6v to 5.5v - isl21010-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1v to 5.5v - isl21010-33. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4v to 5.5v - isl21010-41. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2v to 5.5v ? output current source capability . . . . . . . . . . . . . . . . . . 25ma ? operating temperature range. . . . . . . . . . . .-40c to +125c ? output voltage noise (v out = 2.048v) . . . . . . . . . . . . . . 58v p-p (0.1hz to 10hz) ? supply current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48a (typ) ? tempco . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ppm/c ? package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ld sot-23 ? pb-free (rohs compliant) related literature an1819 , ?isl21010xxev1z user?s guide? an1853 , ?daq on a stick, strain gauge with programmable chopper stabilized in-amp? an1883 , ?low-side low cost current sense amplifier? figure 1. typical application diagram cb 1f cl +5.0v signal input 0v to 5v +5.0v +5.0v isl28134 r1 c1 4.7nf adc +ain1 -ain1 gnd vdd vref vin vout gnd isl21010 50 0.1f to 10f january 8, 2015 fn7896.3 caution: these devices are sensitive to electrostatic discharge; follow proper ic handling procedures. 1-888-intersil or 1-888-468-3774 | copyright intersil americas llc 2011, 2014, 2015. all rights reserved intersil (and design) is a trademark owned by intersil corporation or one of its subsidiaries. all other trademarks mentioned are the property of their respective owners.
isl21010 2 fn7896.3 january 8, 2015 submit document feedback table of contents pin configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 pin descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 thermal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 electrical specifications (isl21010-10, v out = 1.024v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 electrical specifications (isl21010-12, v out = 1.25v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 electrical specifications (isl21010-15, v out = 1.5v). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 electrical specifications (isl21010-20, v out = 2.048v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 electrical specifications (isl21010-25, v out = 2.5v). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 electrical specifications (isl21010-30, v out = 3.0v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 electrical specifications (isl21010-33, v out = 3.3v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 electrical specifications (isl21010-41, v out = 4.096v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 typical performance characteristics curves (v out = 1.024v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 typical performance characteristics curves (v out = 1.25v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 typical performance characteristics curves (v out = 1.5v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 typical performance characteristics curves (v out = 2.048v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 typical performance characteristics curves (v out = 2.5v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 typical performance characteristics curves (v out = 3.0v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 typical performance characteristics curves (v out = 3.3v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 typical performance characteristics curves (v out = 4.096v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 micropower operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 board mounting considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 board assembly considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 noise performance and reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 typical application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 about intersil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 package outline drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
isl21010 3 fn7896.3 january 8, 2015 submit document feedback pin configuration isl21010 (3 ld sot-23) top view 1 2 3 v out gnd v in pin descriptions pin number pin name description 1v in input voltage connection 2v out voltage reference output 3gndground connection ordering information part number ( notes 1 , 2 , 3 , 4 ) part marking v out option (v) initial accuracy (%) temp. range (c) package tape & reel (rohs compliant) pkg. dwg. # isl21010dfh310z-tk beba 1.024 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010dfh310z-t7a beba 1.024 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010dfh312z-tk beca 1.25 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010dfh312z-t7a beca 1.25 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh315z-tk bdra 1.5 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh315z-t7a bdra 1.5 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh320z-tk bdsa 2.048 0.2 -40 to +125 3 ld sot-23 p3.064 ISL21010CFH320Z-T7A bdsa 2.048 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh325z-tk bdta 2.5 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh325z-t7a bdta 2.5 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh330z-tk bdva 3.0 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh330z-t7a bdva 3.0 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh333z-tk bdwa 3.3 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh333z-t7a bdwa 3.3 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh341z-tk bdya 4.096 0.2 -40 to +125 3 ld sot-23 p3.064 isl21010cfh341z-t7a bdya 4.096 0.2 -40 to +125 3 ld sot-23 p3.064 notes: 1. please refer to tb347 for details on reel specifications. 2. these intersil pb-free plastic packaged products employ spec ial pb-free material sets, molding compounds/die attach materials , and 100% matte tin plate plus anneal (e3 termination finish , which is rohs compliant and compatible wi th both snpb and pb-free soldering opera tions). intersil pb-free products are msl classified at pb-fr ee peak reflow temperatures that meet or exceed the pb-free requirements of ipc/jed ec j std-020. 3. for moisture sensitivity level (msl), please see device information page for isl21010 . for more information on msl please see tech brief tb363 . 4. the part marking is located on the bottom of the part.
isl21010 4 fn7896.3 january 8, 2015 submit document feedback absolute maximum rating s thermal information max voltage v in to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5v to +6.5v v out (pin) to gnd (10s) . . . . . . . . . . . . . . . . . . . . . . . . . -0.5v to v in +0.5v input voltage slew rate (max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1v/s temperature range (industrial) . . . . . . . . . . . . . . . . . . . . .-40c to +125c esd rating human body model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5500v machine model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300v charged device model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kv thermal resistance (typical) . . . . . . . . . . . . . . . . . ? ja (c/w) ..... ? jc (c/w) 3 ld sot-23 package ( notes 5 , 6 ). . . . . . . . . . . . . . . . . 275 ................. 110 continuous power dissipation (t a = +125c) . . . . . . . . . . . . . . . . . . 99mw storage temperature range. . . . . . . . . . . . . . . . . . . . . . . .-65c to +150c pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see tb493 recommended operating conditions temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40c to +125c supply voltage v out = 1.024v, 1.25v, 1.5v, 2.048v . . . . . . . . . . . . . . . . . . . 2.2v to 5.5v v out = 2.5v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6v to 5.5v v out = 3.0v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1v to 5.5v v out = 3.3v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4v to 5.5v v out = 4.096v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2v to 5.5v caution: do not operate at or near the maximum ratings listed for extended periods of time. exposure to such conditions may adv ersely impact product reliability and result in failures not covered by warranty. notes: 5. ? ja is measured with the component mounted on a high effective th ermal conductivity test board in free air. see tech brief tb379 for details. 6. for ? jc , the ?case temp? location is taken at the package top center. 7. post-reflow drift for the isl21010 devices may shift up to 4.0m v based on simulated reflow at 260c peak temperature, three p asses. the system design engineer must take this into account when considering the reference voltage after assembly. electrical specifications (isl21010-10, v out = 1.024v) v in = 3.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operating temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 1.024 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 ) 15 50 ppm/c v in input voltage range 2.2 5.5 v i in supply current t a = +25c 46 80 a t a = -40c to +125c 60 100 a ? v out / ? v in line regulation 2.2 v < v in < 5.5v 5 100 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 15 110 v/ma sinking: -1ma ?? i out ?? 0ma 17 v/ma i sc short circuit current t a = +25c, v out tied to gnd 118 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 70 db e n output voltage noise 0.1hz ? f ?? 10hz 24 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 14 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 110 ppm
isl21010 5 fn7896.3 january 8, 2015 submit document feedback electrical specifications (isl21010-12, v out = 1.25v) v in = 3.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operating temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 1.25 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 ) 15 50 ppm/c v in input voltage range 2.2 5.5 v i in supply current t a = +25c 46 80 a t a = -40c to +125c 100 a ? v out / ? v in line regulation 2.2 v < v in < 5.5v 1 100 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 35 110 v/ma sinking: -1ma ?? i out ?? 0ma 50 v/ma i sc short circuit current t a = +25c, v out tied to gnd 118 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 68 db e n output voltage noise 0.1hz ? f ?? 10hz 27 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 17 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 110 ppm electrical specifications (isl21010-15, v out = 1.5v) v in = 3.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operating temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 1.5 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 ) 15 50 ppm/c v in input voltage range 2.2 5.5 v i in supply current t a = +25c 46 80 a t a = -40c to +125c 100 a ? v out / ? v in line regulation 2.2 v < v in < 5.5v 9 100 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 37 110 v/ma sinking: -1ma ?? i out ?? 0ma 50 v/ma i sc short circuit current t a = +25c, v out tied to gnd 118 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 66 db e n output voltage noise 0.1hz ? f ?? 10hz 35 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 20 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 110 ppm
isl21010 6 fn7896.3 january 8, 2015 submit document feedback electrical specifications (isl21010-20, v out = 2.048v) v in = 3.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operating temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 2.048 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 ) 15 50 ppm/c v in input voltage range 2.2 5.5 v i in supply current t a = +25c 46 80 a t a = -40c to +125c 100 a ? v out / ? v in line regulation 2.2 v < v in < 5.5v 37 130 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 18 110 v/ma sinking: -1ma ?? i out ?? 0ma 10 v/ma i sc short circuit current t a = +25c, v out tied to gnd 118 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 66 db e n output voltage noise 0.1hz ? f ?? 10hz 58 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 26 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 50 ppm electrical specifications (isl21010-25, v out = 2.5v) v in = 3.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operating temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 2.5 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 ) 15 50 ppm/c v in input voltage range 2.6 5.5 v i in supply current t a = +25c 46 80 a t a = -40c to +125c 100 a ? v out / ? v in line regulation 2.6 v < v in < 5.5v 62 245 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 29 110 v/ma sinking: -1ma ?? i out ?? 0ma 50 v/ma v indo dropout voltage ( note 10 )i out = 10ma 60 150 mv i sc short circuit current t a = +25c, v out tied to gnd 118 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 62 db e n output voltage noise 0.1hz ? f ?? 10hz 67 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 37 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 110 ppm
isl21010 7 fn7896.3 january 8, 2015 submit document feedback electrical specifications (isl21010-30, v out = 3.0v) v in = 5.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operating temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 3.0 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 ) 15 50 ppm/c v in input voltage range 3.1 5.5 v i in supply current t a = +25c 48 80 a t a = -40c to +125c 100 a ? v out / ? v in line regulation 3.1 v < v in < 5.5v 73 230 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 48 110 v/ma sinking: -1ma ? i out ?? 0ma 10 v/ma v indo dropout voltage ( note 10 )i out = 10ma 60 150 mv i sc short circuit current t a = +25c, v out tied to gnd 126 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 62 db e n output voltage noise 0.1hz ? f ?? 10hz 86 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 36 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 50 ppm electrical specifications (isl21010-33, v out = 3.3v) v in = 5.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operating temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 3.3 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 )15 50 ppm/c v in input voltage range 3.4 5.5 v i in supply current t a = +25c 48 80 a t a = -40c to +125c 100 a ? v out / ? v in line regulation 3.4 v < v in < 5.5v 80 320 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 45 110 v/ma sinking: -1ma ? i out ?? 0ma 10 v/ma v indo dropout voltage ( note 10 )i out = 10ma 60 150 mv i sc short circuit current t a = +25c, v out tied to gnd 126 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 61 db e n output voltage noise 0.1hz ? f ?? 10hz 95 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 40 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 50 ppm
isl21010 8 fn7896.3 january 8, 2015 submit document feedback electrical specifications (isl21010-41, v out = 4.096v) v in = 5.0v, t a = +25c, i out = 0a, unless otherwise specified. boldface limits apply across the operat ing temperature range, -40c to +125c. parameter description test conditions min ( note 8 )typ max ( note 8 )unit v out output voltage 4.096 v v oa v out accuracy at t a = +25c ( note 7 ) -0.2 +0.2 % tc v out output voltage temperature coefficient ( note 9 )15 50 ppm/c v in input voltage range 4.2 5.5 v i in supply current t a = +25c 48 80 a t a = -40c to +125c 100 a ? v out / ? v in line regulation 4.2 v < v in < 5.5v 106 550 v/v ? v out / ? i out load regulation sourcing: 0ma ? i out ? 25ma 50 140 v/ma sinking: -1ma ? i out ?? 0ma 50 v/ma v indo dropout voltage ( note 10 )i out = 10ma 60 150 mv i sc short circuit current t a = +25c, v out tied to gnd 126 ma t r turn-on settling time v out = 0.1%, c out = 1 f 300 s ripple rejection f = 120hz 58 db e n output voltage noise 0.1hz ? f ?? 10hz 112 v p-p v n broadband voltage noise 10hz ? f ?? 1khz 56 v rms ? v out / ? t a thermal hysteresis ( note 11 ) ? t a = +165c 100 ppm ? v out / ? t long term stability 1000 hours, t a = +25c 110 ppm notes: 8. compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. 9. over the specified temperature range. temperature coefficien t is measured by the box meth od whereby the change in v out is divided by the temperature range; in this case, -40c to +125c = +165c. 10. dropout voltage is the minimum v in - v out differential voltage measured at the point where v out drops 1mv from v in = nominal at t a = +25c. 11. thermal hysteresis is the change of v out measured at t a = +25c after temperature cycling over a specified range, ? t a . v out is read initially at t a = +25c for the device under test. the device is temperature cycled and a second v out measurement is taken at +25c. the difference between the initial v out reading and the second v out reading is then expressed in ppm. for ? t a = +165c, the device under test is cycled from +25c to -40c to +125c to +25c.
isl21010 9 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 1.024v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 2. i in vs v in , three units figure 3. i in vs v in , over-temperature figure 4. line regulation, three units figure 5. line regulation over-temperature figure 6. line transient response with 0.22f load figure 7. line transient response with 10f load 20 25 30 35 40 45 50 55 60 65 70 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) unit 1 unit 2 unit 3 20 25 30 35 40 45 50 55 60 65 70 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) +125c +25c -40c -60 -50 -40 -30 -20 -10 0 10 20 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) unit 3 unit 2 unit 1 ? v out (v) -30 -25 -20 -15 -10 -5 0 5 10 15 20 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) +125c +25c -40c time (s) amplitude (mv) -40 -20 0 20 40 60 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v time (s) amplitude (mv) -20 -10 0 10 20 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v
isl21010 10 fn7896.3 january 8, 2015 submit document feedback figure 8. load regulation over-temperature figure 9. load transient response at 25ma load at 1f figure 10. load transient response at 1ma load at 1f figure 11. turn-on time figure 12. z out vs frequency figure 13. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 1.024v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 -30 -25 -20 -15 -10 -5 0 5 sourcing i load (ma) sinking ? v out (mv) +125c +25c -40c time (s) amplitude (mv) -20 -15 -10 -5 0 0 250 500 750 1000 1250 1500 1750 2000 0ma 25ma 0ma 5 10 time (s) amplitude (mv) -4 -3 -2 -1 0 0 250 500 750 1000 1250 1500 1750 2000 0ma 1ma 0ma 1 2 time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.22f 0.01 0.1 1 10 10 100 1k 10k 100k 1m 10m frequency (hz) z out ( ? ) c l = 0.22f c l = 10f c l = 1f -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 100 1k 10k 100k 1m 10m frequency (hz) c l = 0.22f c l = 10f c l = 1f psrr (db)
isl21010 11 fn7896.3 january 8, 2015 submit document feedback figure 14. dropout (10ma sourced load) figure 15. dropout zoomed (10ma sourced load) figure 16. v out vs temperature figure 17. short circuit to gnd figure 18. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 1.024v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.4 1.5 1.6 1.7 1.8 1.9 2.0 v in (v) v out (v) 1.0220 1.0225 1.0230 1.0235 1.0240 1.80 1.85 1.90 1.95 2.00 2.05 2.10 v dropout ~826mv ? 1mv v in (v) v out (v) 1.0205 1.0210 1.0215 1.0220 1.0225 1.0230 1.0235 1.0240 1.0245 1.0250 1.0255 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) typical temperature coe fficient for 10 units v out (v) -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) current (ma) +125c +25c -40c -30 -20 -10 0 10 20 30 0 1 2 3 4 5 6 7 8 9 10 time (s) v out (v)
isl21010 12 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 1.25v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 19. i in vs v in , three units figure 20. i in vs v in , over-temperature figure 21. line regulation, three units figure 22. line regulation over-temperature figure 23. line transient response with 0.1f load figure 24. line transient response with 10f load 35 37 39 41 43 45 47 49 51 53 55 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) unit 1 unit 3 unit 2 20 25 30 35 40 45 50 55 60 65 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) +125c +25c -40c -15 -10 -5 0 5 10 15 20 25 30 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 unit 3 unit 1 unit 2 v in (v) ? v out (v) -40 -30 -20 -10 0 10 20 30 40 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) +125c +25c -40c time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v -40 -20 0 20 40 60 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v -10 0 10 20
isl21010 13 fn7896.3 january 8, 2015 submit document feedback figure 25. load regulation over-temperature figure 26. load transient response at 25ma load at 1f figure 27. load transient response at 1ma load at 1f figure 28. turn-on time figure 29. z out vs frequency figure 30. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 1.25v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 -30 -25 -20 -15 -10 -5 0 5 sourcing i load (ma) sinking +125c +25c -40c ? v out (mv) time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 0ma 25ma 0ma -25 -20 -15 -10 -5 0 5 10 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 0ma 1ma 0ma -8 -6 -4 -2 0 2 time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.1f 0.01 0.1 1 10 100 10 100 1k 10k 100k 1m 10m frequency (hz) z out ( ? ) c l = 0.1f c l = 10f c l = 1f -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 100 1k 10k 100k 1m 10m frequency (hz) c l = 0.1f c l = 10f c l = 1f psrr (db)
isl21010 14 fn7896.3 january 8, 2015 submit document feedback figure 31. dropout (10ma sourced load) figure 32. dropout zoomed (10ma sourced load) figure 33. v out vs temperature figure 34. short circuit to gnd figure 35. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 1.25v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.4 1.5 1.6 1.7 1.8 1.9 2.0 v in (v) v out (v) 1.2475 1.2480 1.2485 1.2490 1.2495 1.2500 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 v dropout ~620mv ? 1mv v in (v) v out (v) 1.2475 1.2485 1.2495 1.2505 1.2515 1.2525 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) typical temperature coe fficient for 10 units v out (v) -170 -150 -130 -110 -90 -70 -50 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) current (ma) +125c +25c -40c -30 -20 -10 0 10 20 30 0 1 2 3 4 5 6 7 8 9 10 time (s) v out (v)
isl21010 15 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 1.5v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 36. i in vs v in , three units figure 37. i in vs v in , over-temperature figure 38. line regulation, three units fig ure 39. line regulation over-temperature figure 40. line transient response with 0.1f load figure 41. line transient response with 10f load 35 37 39 41 43 45 47 49 51 53 55 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) unit 1 unit 2 unit 3 20 25 30 35 40 45 50 55 60 65 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) +125c +25c -40c -30 -20 -10 0 10 20 30 40 50 60 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) unit 3 unit 1 unit 2 -40 -20 0 20 40 60 80 100 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) +125c +25c -40c time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v -100 -50 0 50 100 150 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v -10 0 10 20 30
isl21010 16 fn7896.3 january 8, 2015 submit document feedback figure 42. load regulation over-temperature figure 43. load transient response at 25ma load at 1f figure 44. load transient response at 1ma load at 1f figure 45. turn-on time figure 46. z out vs frequency figure 47. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 1.5v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 -30 -25 -20 -15 -10 -5 0 5 sourcing i load (ma) sinking ? v out (mv) +125c +25c -40c time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 0ma 25ma 0ma -30 -20 -10 0 10 20 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 0ma 1ma 0ma -8 -6 -4 -2 0 2 4 time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.1f 0.01 0.1 1 10 100 10 100 1k 10k 100k 1m 10m frequency (hz) z out ( ? ) c l = 0.1f c l = 10f c l = 1f -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 100 1k 10k 100k 1m 10m frequency (hz) c l = 0.1f c l = 10f c l = 1f psrr (db)
isl21010 17 fn7896.3 january 8, 2015 submit document feedback figure 48. dropout (10ma sourced load) figure 49. dropout zoomed (10ma sourced load) figure 50. v out vs temperature figure 51. short circuit to gnd figure 52. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 1.5v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.5 1.6 1.7 1.8 1.9 2.0 2.1 v in (v) v out (v) 1.4980 1.4985 1.4990 1.4995 1.5000 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 v dropout ~375mv ? 1mv v in (v) v out (v) 1.4950 1.4960 1.4970 1.4980 1.4990 1.5000 1.5010 1.5020 1.5030 1.5040 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) typical temperature coe fficient for 10 units v out (v) -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) current (ma) +125c +25c -40c -30 -20 -10 0 10 20 30 0 1 2 3 4 5 6 7 8 9 10 time (s) v out (v)
isl21010 18 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 2.048v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 53. i in vs v in , three units figure 54. i in vs v in , over-temperature figure 55. line regulation, three units figure 56. line regulation over-temperature figure 57. line transient response with 0.1f load figure 58. line transient response with 10f load 35 37 39 41 43 45 47 2.0 2.5 3.0 3.5 4.0 4.5 5.0 v in (v) i dd (a) 5.5 6.0 49 unit 2 unit 1 unit 3 20 25 30 35 40 45 50 55 60 65 70 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) +25c -40c +125c i dd (a) -100 -50 0 50 100 150 200 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) unit 2 unit 1 unit 3 ? v out (v) -100 -50 0 50 100 150 200 250 300 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) +25c -40c +125c -150 -100 -50 0 50 100 150 250 500 750 1000 1250 time (s) amplitude (mv) v in = 4.5v v in = 4.5v v in = 5v -20 0 20 40 250 500 750 1000 1250 time (s) v in = 4.5v amplitude (mv) v in = 4.5v v in = 5v
isl21010 19 fn7896.3 january 8, 2015 submit document feedback figure 59. load regulation over-temperature figure 60. load transient response at 25ma load at 1f figure 61. load transient response at 1ma load at 1f figure 62. turn-on time figure 63. z out vs frequency figure 64. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 2.048v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -3 -2 -1 0 1 2 3 4 5 -30 -25 -20 -15 -10 -5 0 5 sourcing i load (ma) sinking ? v out (mv) +25c -40c +125c -40 -30 -20 -10 0 10 20 30 40 200 400 600 800 1000 1200 1400 time (s) 25ma 25ma amplitude (mv) 0ma -5 0 5 200 400 600 800 1000 1200 1400 time (s) 1ma 0ma amplitude (mv) 1ma time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.1f 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 10 100 1k 10k 100k 1m 10m frequency (hz) z out () 4.0 c l = 0.1f c l = 1f c l = 10f -100 -80 -60 -40 -20 10 100 1k 10k 100k 1m frequency (hz) c l = 1f c l = 10f c l = 0.1f 0 psrr (db)
isl21010 20 fn7896.3 january 8, 2015 submit document feedback figure 65. dropout (10ma sourced load) figure 66. dropout zoomed (10ma sourced load) figure 67. v out vs temperature figure 68. short circuit to gnd figure 69. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 2.048v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) 1.800 1.823 1.846 1.869 1.892 1.915 1.938 1.961 1.984 2.007 2.030 2.053 2.076 2.099 1.900 1.957 2.014 2.071 2.128 2.185 2.242 2.299 v in (v) v out (v) 2.0470 2.0475 2.0480 2.0485 2.0490 2.121 2.131 2.141 2.151 2.161 ? 1mv v dropout ~ 86mv v in (v) v out (v) 2.0425 2.0435 2.0445 2.0455 2.0465 2.0475 2.0485 2.0495 2.0505 2.0515 2.0525 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) typical temperature coeffi cient curve for 10 units v out (v) -180 -160 -140 -120 -100 -80 -60 -40 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 vin (v) +125c -55c +25c current (ma) -60 -40 -20 0 20 40 60 80 100 120 140 0246810 time (s) v out (v)
isl21010 21 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 2.5v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 70. i in vs v in , three units figure 71. i in vs v in , over-temperature figure 72. line regulation, three units figure 73. line regulation over-temperature figure 74. line transient response with 0.1f load figure 75. line transient response with 10f load 35 40 45 50 55 60 65 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) unit 1 unit 2 unit 3 20 25 30 35 40 45 50 55 60 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 i dd (a) v in (v) +125c +25c -40c -50 0 50 100 150 200 250 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) unit 3 unit 1 unit 2 -50 0 50 100 150 200 250 300 350 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) +25c -40c +125c time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v -100 -50 0 50 100 150 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v v in = 4.5v -10 0 10 20 30
isl21010 22 fn7896.3 january 8, 2015 submit document feedback figure 76. load regulation over-temperature figure 77. load transient response at 25ma load at 1f figure 78. load transient response at 1ma load at 1f figure 79. turn-on time figure 80. z out vs frequency figure 81. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 2.5v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -0.2 -0.1 0 0.1 0.2 0.3 0.4 -30 -25 -20 -15 -10 -5 0 5 sourcing i load (ma) sinking ? v out (mv) +125c +25c -40c time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 25ma 0ma 0ma -30 -20 -10 0 10 20 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 0ma 1ma 0ma -8 -6 -4 -2 0 2 4 time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.1f 0.01 0.1 1 10 100 10 100 1k 10k 100k 1m 10m frequency (hz) z out ( ? ) c l = 0.1f c l = 10f c l = 1f -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 100 1k 10k 100k 1m 10m frequency (hz) c l = 0.1f c l = 10f c l = 1f psrr (db)
isl21010 23 fn7896.3 january 8, 2015 submit document feedback figure 82. dropout (10ma sourced load) figure 83. dropout zoomed (10ma sourced load) figure 84. v out vs temperature figure 85. short circuit to gnd figure 86. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 2.5v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 v in (v) v out (v) 2.4975 2.4980 2.4985 2.4990 2.4995 2.5000 2.55 2.56 2.57 2.58 2.59 2.60 v dropout ~58mv ? 1mv v in (v) v out (v) 2.4940 2.4960 2.4980 2.5000 2.5020 2.5040 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) typical temperature coeffi cient curve for 10 units v out (v) -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 vin (v) +125c -40c +25c current (ma) -100 -80 -60 -40 -20 0 20 40 60 80 100 0 1 2 3 4 5 6 7 8 9 10 time (s) v out (v)
isl21010 24 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 3.0v) v in = 5.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 87. i in vs v in , three units figure 88. i in vs v in , over-temperature figure 89. line regulation, three units figure 90. line regulation over-temperature figure 91. line transient with 0.1f load figure 92. line transient response with 10f load 40 42 44 46 48 50 3.1 3.5 3.9 4.3 4.7 5.1 5.5 v in (v) unit 1 unit 2 unit 3 i dd (a) v in (v) i dd (a) 0 10 20 30 40 50 60 70 80 3.1 3.5 3.9 4.3 4.7 5.1 5.5 +25c -40c +125c -400 -200 0 200 400 600 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) unit 2 unit 1 unit 3 -400 -200 0 200 400 600 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) +25c -40c +125c -200 -100 0 100 200 250 500 750 1000 1250 time (s) amplitude (mv) v in = 4.5v v in = 4.5v v in = 5v -40 -20 0 20 40 250 500 750 1000 1250 amplitude (mv) time (s) v in = 4.5v v in = 4.5v v in = 5v
isl21010 25 fn7896.3 january 8, 2015 submit document feedback figure 93. load regulation over-temperature figure 94. load transient response at 25ma load at 1f figure 95. load transient response at 1ma load at 1f figure 96. turn-on time figure 97. z out vs frequency figure 98. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 3.0v) v in = 5.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -1.5 -0.5 0.5 1.5 2.5 3.5 -30 -25 -20 -15 -10 -5 0 5 sourcing i load (ma) sinking ? v out (mv) -40c +125c +25c time (s) amplitude (mv) -30 -20 -10 0 10 20 30 200 400 600 800 1000 1200 1400 0ma 25ma 25ma -5 0 5 200 400 600 800 1000 1200 1400 1ma 0ma time (s) amplitude (mv) 1ma time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.1f 0 1 2 3 4 5 6 7 10 100 1k 10k 100k 1m 10m frequency (hz) c l = 0.1f c l = 1f c l = 10f z out () -100 -80 -60 -40 -20 0 10 100 1k 10k 100k 1m frequency (hz) c l = 10f c l = 0.1f c l = 1f psrr (db)
isl21010 26 fn7896.3 january 8, 2015 submit document feedback figure 99. dropout (10ma sourced load) figure 100. dropout zoomed (10ma sourced load) figure 101. v out vs temperature figure 102. short circuit to gnd figure 103. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 3.0v) v in = 5.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) 2.9500 2.9555 2.9610 2.9665 2.9720 2.9775 2.9830 2.9885 2.9940 2.9995 3.0050 3.00 3.05 3.10 3.15 3.20 v in (v) v out (v) 2.9985 2.9990 2.9995 3.0000 3.0005 3.057 3.059 3.061 3.063 3.065 3.067 3.069 ? 1mv v dropout ~ 59mv v in (v) v out (v) 2.994 2.995 2.996 2.997 2.998 2.999 3.000 3.001 3.002 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) typical temperature coeffi cient curve for 10 units v out (v) -160 -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) +125c -55c current (ma) +25c -60 -40 -20 0 20 40 60 80 100 120 140 0246810 time (s) v out (v)
isl21010 27 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 3.3v) v in = 5.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 104. i in vs v in , three units figure 105. i in vs v in , over-temperature figure 106. line regulation, three units figure 107. line regulation over-temperature figure 108. line transient with 0.1f load figure 109. line transient response with 10f load 20 30 40 50 60 70 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) unit 1 unit 2 unit 3 i dd (a) 20 30 40 50 60 70 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) i dd (a) +25c -40c +125c -200 -100 0 100 200 300 400 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) unit 2 unit 1 unit 3 -400 -200 0 200 400 600 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) ? v out (v) +25c -40c +125c -200 -100 0 100 200 250 500 750 1000 1250 time (s) amplitude (mv) v in = 4.5v v in = 4.5v v in = 5v -200 -100 0 100 250 500 750 1000 1250 time (s) amplitude (mv) v in = 4.5v v in = 4.5v v in = 5v
isl21010 28 fn7896.3 january 8, 2015 submit document feedback figure 110. load regulation over-temperature figure 111. load transient response at 25ma load at 1f figure 112. load transient re sponse at 1ma load at 1f figure 113. turn-on time figure 114. z out vs frequency figure 115. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 3.3v) v in = 5.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 -30 -25 -20 -15 -10 -5 0 5 ? v out (mv) +25c -40c +125c sourcing i load (ma) sinking -30 -20 -10 0 10 20 200 400 600 800 1000 1200 1400 time (s) 0ma 25ma amplitude (mv) 25ma -10.0 -5.0 0.0 5.0 200 400 600 800 1000 1200 1400 time (s) 1ma 0ma amplitude (mv) 1ma time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.1f z out () 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 10 100 1k 10k 100k 1m 10m frequency (hz) c l = 0.1f c l = 1f c l = 10f psrr (db) -100 -80 -60 -40 -20 0 10 100 1k 10k 100k 1m frequency (hz) c l = 10f c l = 0.1f c l = 1f
isl21010 29 fn7896.3 january 8, 2015 submit document feedback figure 116. dropout (10ma sourced load) figure 117. dropout zoomed (10ma sourced load) figure 118. v out vs temperature figure 119. short circuit to gnd figure 120. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 3.3v) v in = 5.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) v out (v) 3.250 3.255 3.260 3.265 3.270 3.275 3.280 3.285 3.290 3.295 3.300 3.305 3.310 3.30 3.32 3.34 3.36 3.38 3.40 3.42 3.44 3.46 3.48 3.50 v in (v) 3.2980 3.2985 3.2990 3.2995 3.3000 3.350 3.355 3.360 3.365 3.370 ? 1mv v dropout ~58mv v in (v) v out (v) v out (v) 3.290125 3.293125 3.296125 3.299125 3.302125 3.305125 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) current (ma) -170 -150 -130 -110 -90 -70 3.0 3.5 4.0 4.5 5.0 5.5 6.0 v in (v) +25c -55c +125c v out (v) -60 -40 -20 0 20 40 60 80 100 120 140 0246810 time (s)
isl21010 30 fn7896.3 january 8, 2015 submit document feedback typical performance characteristics curves (v out = 4.096v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. figure 121. i in vs v in , three units figure 122. i in vs v in , over-temperature figure 123. line regulation, three units figure 124. line regulation over-temperature figure 125. line transient response with 0.1f load figure 126. line transient response with 10f load 35 40 45 50 55 60 65 4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 i dd (a) v in (v) unit 1 unit 2 unit 3 20 25 30 35 40 45 50 55 60 65 70 4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 i dd (a) v in (v) +125c +25c -40c -50 0 50 100 150 200 250 v in (v) ? v out (v) unit 3 unit 1 unit 2 4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 -50 0 50 100 150 200 250 300 v in (v) ? v out (v) +25c -40c +125c 4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v -100 -50 0 50 100 150 200 v in = 4.5v time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 v in = 5v v in = 5v -10 0 10 20 30 40 v in = 4.5v
isl21010 31 fn7896.3 january 8, 2015 submit document feedback figure 127. load regulation over-temperature figure 128. load transient response at 25ma load at 1f figure 129. load transient response at 1ma load at 1f figure 130. turn-on time figure 131. z out vs frequency figure 132. ripple rejection at different capacitive loads typical performance characteristics curves (v out = 4.096v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) -0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 -30 -25 -20 -15 -10 -5 0 5 sourcing i load (ma) sinking ? v out (mv) +125c +25c -40c time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 0ma 25ma 0ma -30 -20 -10 0 10 20 time (s) amplitude (mv) 0 250 500 750 1000 1250 1500 1750 2000 0ma 1ma 0ma -10 -5 0 5 time (s) v out (v) 0 1 2 3 4 5 6 0 100 200 300 400 500 v in 1f 0.1f 0.01 0.1 1 10 100 10 100 1k 10k 100k 1m 10m frequency (hz) z out ( ? ) c l = 0.1f c l = 10f c l = 1f -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 100 1k 10k 100k 1m 10m frequency (hz) c l = 0.1f c l = 10f c l = 1f psrr (db)
isl21010 32 fn7896.3 january 8, 2015 submit document feedback figure 133. dropout (10ma sourced load) figure 134. dropout zoomed (10ma sourced load) figure 135. v out vs temperature figure 136. short circuit to gnd figure 137. v out vs noise, 0.1hz to 10hz typical performance characteristics curves (v out = 4.096v) v in = 3.0v, i out = 0ma, t a = +25c unless otherwise specified. (continued) 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 3.4 3.6 3.8 4.0 4.2 4.4 4.6 v in (v) v out (v) 4.0930 4.0935 4.0940 4.0945 4.0950 4.0955 4.14 4.15 4.16 4.17 4.18 4.19 4.20 v dropout ~58mv ? 1mv v in (v) v out (v) 4.0880 4.0900 4.0920 4.0940 4.0960 4.0980 4.1000 -55 -35 -15 5 25 45 65 85 105 125 145 temperature (c) typical temperature coeffi cient curve for 10 units v out (v) -170 -150 -130 -110 -90 -70 -50 4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 v in (v) +125c -40c current (ma) +25c -100 -80 -60 -40 -20 0 20 40 60 80 100 0 1 2 3 4 5 6 7 8 9 10 time (s) v out (v)
isl21010 33 fn7896.3 january 8, 2015 submit document feedback applications information micropower operation the isl21010 consumes very low supply current due to the proprietary bandgap technology. low noise performance is achieved using optimized biasing techniques. supply current is typically 48a and noise in the 0.1hz to 10hz bandwidth is 58v p-p to 100v p-p (v out = 2.048v, 3.0v an d 3.3v) benefiting precision, low noise portable ap plications such as handheld meters and instruments. data converters in particular can utilize the isl21010 as an external voltage reference. low power dac and adc circuits will realize maximum resolution with lowest noise. the device maintains output voltage during conversion cycles with fast response, although it is helpful to add an output capacitor, typically 1f. board mounting considerations for applications requiring the hi ghest accuracy, board mounting location should be reviewed. the device uses a plastic soic package, which will subject the die to mild stresses when the printed circuit (pc) board is heated and cooled, slightly changing the shape. placing the device in areas subject to slight twisting can cause degradation of the accuracy of the reference voltage due to these die stresses. it is normally best to place the device near the edge of a board, or th e shortest side, as the axis of bending is most limited at that location. mounting the device in a cutout also minimizes flex. obviously mounting the device on flexprint or extremely thin pc material will likewise cause loss of reference accuracy. board assembly considerations bandgap references provide high accuracy and low temperature drift but some pc board assemb ly precautions are necessary. normal output voltage shifts of 100v to 4mv can be expected with pb-free reflow profiles or wave solder on multilayer fr4 pc boards. precautions should be ta ken to avoid excessive heat or extended exposure to high reflow or wave solder temperatures, this may reduce device initial accuracy. noise performance and reduction the recommended capacitive load range for the isl21010 is from 0.1f to 10.0f (0.22f minimum required for 1.024v option) to ensure stability and best transient performance. parallel 0.1f (0.22f for 1.024v) and 10f capacitors can be used to optimize performance as well. the noise specification stated in the electrical specificatio n tables (starting on page 4 ) is for 0.1f (0.22f for 1.024v option) capaciti ve load, and larger values will reduce the output noise level. typical application circuit figure 138. kelvin sensed load 0.1f vin 2.1v C 5.5v vout sense load vin vout gnd isl21010 10f 0.1f - 10f
isl21010 34 intersil products are manufactured, assembled and tested utilizing iso9001 quality systems as noted in the quality certifications found at www.intersil.com/en/suppor t/qualandreliability.html intersil products are sold by description only. intersil corporat ion reserves the right to make changes in circuit design, soft ware and/or specifications at any time without notice. accordingly, the reader is cautioned to verify that data sheets are current before placing orders. information furnished by intersil is believed to be accurate and reliable. however, no responsi bility is assumed by intersil or its subsid iaries for its use; nor for any infringem ents of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of i ntersil or its subsidiaries. for information regarding intersil corporation and its products, see www.intersil.com fn7896.3 january 8, 2015 for additional products, see www.intersil.com/en/products.html submit document feedback about intersil intersil corporation is a leading provider of innovative power ma nagement and precision analog so lutions. the company's product s address some of the largest markets within the industrial and infrastr ucture, mobile computing and high-end consumer markets. for the most updated datasheet, application notes, related documentatio n and related parts, please see the respective product information page found at www.intersil.com . you may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask . reliability reports are also av ailable from our website at www.intersil.com/support revision history the revision history provided is for informational purposes only and is believed to be accurate, but not warranted. please go t o web to make sure you have the latest rev. date revision change january 8, 2015 fn7896.3 ? on page 1, in the rela ted literature section added an1853 and an1883. ? on page 3, updated the ordering information table by adding the (-t7a) products. ? changed the y-axis units on figure 18, on page 11 from ?(v)? to ?(v)?. june 23, 2014 fn7896.2 ? added curves for voltage refs 1.25v, 1.024v, 1.5v, 2.5v and 4.096v ? updated pod with following changes: in detail a, changed lead width dimension from 0.13+/-0.05 to 0.085-0.19 changed dimension of foot of lead from 0.31+/-0.10 to 0.38+/-0.10 in land pattern, added 0.4 rad typ dimension in side view, changed height of package from 0.91+/-0.03 to 0.95+/-0.07 november 28, 2011 fn7896.1 ? on page 1, features: removed "coming soon" from isl21010-10, -12, -15; isl21010-25; and isl21010-40 voltage options; combined -20 opti on with -10, -12, -15; changed -40 to -41 ? on page 3, ordering information: added parts isl21010dfh310z-tk, isl21010dfh312z-tk, isl21010cfh315z-tk, isl21010cfh325z-tk, isl21010cfh341z-tk ? on page 4, recommended operating conditions: added vout = 1.024v, 1.25v, 1.5v, 2.048v2.2v to 5.5v; vout = 2.5v??.2.6v to 5.5v; vout = 4.096v??4.2v to 5.5v ? on page 4 through page 8, added electrical specifications tables for (isl21010-10, vout = 1.024v), (isl21010-12, vout = 1.25v), (isl21010-15, vout = 1.5v), (isl21010-41, vout = 4.096v) ? on page 6, electrical specifications (isl21010-20, vout = 2.048v): changed vout/ ta, thermal hysteresis, typ from 50 to 100 ? on page 8, note 10: changed "... where v out drops 1mv from v in = 5.0v at t a = +25c." to "... where v out drops 1mv from v in = nominal at t a = +25c." ? on page 25, figure 94, changed title from "l oad regulation over-temperature" to "load transient response at 25ma load". figure 27, changed title from "loa d transient response" to "load transient response at 1ma load". ? on page 26, figure 99, and page 29, figure 116, changed figure titles to indicate 10ma instead of 1ma source load. ? on page 28, figure 111, changed title from load regulation over-temperature" to "load transient response at 25ma load". figure 112, changed title from "load transient response" to "load transient response at 1ma load" ? on page 33, under ?noise performance and reduction?, added reference to capacitative load range for 1.024v option. august 9, 2011 fn7896.0 initial release
isl21010 35 fn7896.3 january 8, 2015 submit document feedback package outline drawing p3.064 3 lead small outline transistor plastic package (sot23-3) rev 3, 3/12 reference jedec to-236. footlength is measured at reference to gauge plane. dimension does not include interlead flash or protrusions. dimensioning and tolerancing conform to amsey14.5m-1994. 3. 5. 4. 2. dimensions are in millimeters. 1. notes: detail "a" side view typical recommended land pattern top view c 0.10 c 0.20 m c l c 1.300.10 c l 0.950 2.370.27 2.920.12 4 4 10 typ (2 plcs) 0.013(min) 0.100(max) seating plane 1.000.12 0.950.07 seating plane gauge plane 0.25 0.380.10 detail "a" 0.4350.065 0 - 8 deg. (2.15) (1.25) (0.60) (0.95 typ.) 5 0 . 0 8 5 - 0 . 1 9 dimensions in ( ) for reference only. interlead flash or protrusions shall not exceed 0.25mm per side . (0.4 rad typ.)

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