power conditioning - smt 11 11 - 2 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC860LP3E quad low noise high psrr linear voltage regulator v00.0809 general description features functional diagram the HMC860LP3E is a bicmos ultra low noise quad-output voltage regulator. it features a low noise band-gap reference externally decoupled for best in-close noise performance. high power supply rejection ratio (psrr) in the 0.1 mhz to 10 mhz range provides excellent rejection of preceding switching regulator noise. the four voltage outputs are ideal for frequency generation subsystems including hittites broad line of plls with integrated vcos. each output voltage can be adjusted higher or lower than the default value by using one external resistor. each output can be set to 5v by grounding the corresponding hv pin. the regulator can be powered down by the ttl-compatible enable input. the HMC860LP3E is housed in a 3x3mm qfn smt package. ultra low noise: 3nv/hz at 10 khz, 7nv/hz at 1 khz high power supply rejection ratio (psrr) 80 db at 1 khz, 60 db at 1 mhz four voltage outputs: vr1 @ 3v / 75 ma vr2, vr3 @ 3v / 15 ma vr4 @ 4.5v / 100 ma adjustable outputs: 2.5v to 5.2v low power-down current: <1 a 16 lead 3x3 mm smt package: 9mm2 typical applications the HMC860LP3E is ideal for: ? test instrumentation ? military radios, radar and ecm ? basestation infrastructure ? ultra low noise frequency generation ? fractional-n synthesizer supply ? mixed-signal circuit supply electrical speci cations, t a = +25 c parameter conditions min typ max units output voltage vr1, vr2, vr3 vdd = 5.5v; maximum load current 3 3.05 3.1 v output voltage vr4 vdd = 5.5v; maximum load current 4.4 4.5 4.6 v output voltage tolerance vdd = 5.5v; maximum load current 2 % input voltage range (default) default output voltage con guration 4.8 5.6 v input voltage range e.g.: vr1 = vr2 = vr3 = vr4 = 3.05v; vdd, min = 3.35v max (vrx) + 0.3v 5.6 v output voltage range vr1 to vr4 set by external resistors. vdd = max(vrx)+0.3v 2.5 5.2 v
power conditioning - smt 11 11 - 3 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator electrical speci cations (continued) parameter conditions min typ max units reference voltage vref vdd = 5.5v; ref cannot source/sink external current 1.21 v output current vr1 [1] t a = -40c to +85c 75 ma output current vr2, vr3 [1] t a = -40c to +85c 15 ma output current vr4 [1] t a = -40c to +85c 100 ma total output current t a = -40c to +85c 205 ma output noise spectral density 10 hz 100 hz 1 khz 10 khz 100 khz vdd = 5.5v; vrx = 3.05v; vr4 = 4.5v measured on application schematic maximum load current 2200 157 7 3 3 nv/rthz integrated output noise 100 hz to 100 khz vdd = 5.5v; vrx = 3.05v 1.5 vrms load regulation, vr1 vdd = 5.5v 0.01 % / ma load regulation, vr2 & vr3 vdd = 5.5v 0.02 % / ma load regulation, vr4 vdd = 5.5v 0.02 % / ma psrr 0 hz (dc line regulation) 1 khz 100 khz 1 mhz 10 mhz 50 mhz vdd = 5.5v; maximum load current 36 80 65 60 35 45 db output voltage variation vs. package base temperature 25c to 85c -40c to 25c vdd = 5.5v; maximum load current 0.015 0.045 % / c % / c current consumption (i gnd ) ven = vdd = 5.5v; maximum load current 1.9 2.3 ma power down current vdd = 5.5v; en = low; vrx outputs are oating (high - impedance) in power-down mode 1a start-up transient time 0 to 90% of nal voltage; cref=1 f; cload=10 f; vdd = 5.5v 25 ms en turn-on delay 0 to 90% of nal output voltage cref = 1 f; cload = 10 f; vdd = 5.5v en transition from 0 to vdd 25 ms enable input en high level 2 vdd + 0.3 v enable input en low level 0 0.8 v output load capacitance to guarantee stability, noise and psrr performance 10 f output capacitor esr required if no series resistor is used at the output. see stability section. 0.2 2 ohm output series resistance required if esr is insufficient for one or more output capacitors. see stability section. 0.1 1 ohm [1] the regulator does not include short-circuit or over-temperature protection circuitry. the outputs will withstand short-cir cuit conditions for a duration of less than 10s.
power conditioning - smt 11 11 - 4 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator vr1 noise spectral density, vdd = 5.5v vr4 noise spectral density, vdd = 5.5v vr2, vr3 power supply rejection ratio (psrr), vdd = 5.5v vr2, vr3 noise spectral density, vdd = 5.5v vr1, vr4 power supply rejection ratio (psrr), vdd = 5.5v vr1 voltage vs. supply, i(vr1) = 75ma 10 -10 10 -9 10 -8 10 -7 10 -6 10 2 10 3 10 4 10 5 10 6 10 7 vr1 instrument noise floor frequency (hz) noise (v/rthz) vr1=3.0v i(vr1)=75ma c=10f rs1=0.1ohm 10 -10 10 -9 10 -8 10 -7 10 -6 10 2 10 3 10 4 10 5 10 6 10 7 vr4 instrument noise floor frequency (hz) noise (v/rthz) vr4=4.5v i(vr4)=100ma c=10f rs4=0.1ohm -100 -90 -80 -70 -60 -50 -40 -30 10 2 10 3 10 4 10 5 10 6 10 7 10 8 vr2 vr3 frequency (hz) power supply rejection ratio (db) vr2: 3.0v/15ma vr3: 3.0v/15ma c load =10.11f 10 -10 10 -9 10 -8 10 -7 10 -6 10 2 10 3 10 4 10 5 10 6 10 7 vr2, vr3 instrument noise floor frequency (hz) noise (v/rthz) vr2=vr3=3.0v i(vr2 or vr3)=15ma c=10f -90 -80 -70 -60 -50 -40 -30 10 2 10 3 10 4 10 5 10 6 10 7 10 8 vr1 vr4 frequency (hz) power supply rejection ratio (db) vr1: 3.0v/75ma vr4: 4.5v/100ma rs1=0.1ohm; c load =10.11f rs4=0.1ohm; c load =10.11f 3.00 3.02 3.04 3.06 3.08 3.10 4.8 5 5.2 5.4 5.6 5.8 6 +25 c +90 c -40 c supply voltage (v) output voltage (v)
power conditioning - smt 11 11 - 5 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator vr1 voltage vs. supply, t = 25 c vr1 voltage vs. temperature, i(vr1) = 75ma supply turn-on transient, t = 90 c vr4 voltage vs. supply, i(vr4) = 100ma vr4 voltage vs. temperature, i(vr4) = 100ma supply turn-off transient, t = 90 c 3.00 3.02 3.04 3.06 3.08 3.10 4.8 5 5.2 5.4 5.6 5.8 6 i(vr1) = 77ma i(vr1) = 13ma supply voltage (v) output voltage (v) 3 3.02 3.04 3.06 3.08 3.1 -40 -20 0 20 40 60 80 100 vdd = 5.0 vdd = 5.5 vdd = 6.0 temperature (c) output voltage (v) 0 1 2 3 4 5 0 1020 3040 50 time (ms) output voltage (v) vr4 vr3 vr1 4.4 4.45 4.5 4.55 4.6 4.8 5 5.2 5.4 5.6 5.8 6 +25 c +90 c -40 c supply voltage (v) output voltage (v) 4.40 4.45 4.50 4.55 4.60 -40 -20 0 20 40 60 80 100 vdd = 5.0v vdd = 5.5v vdd = 6.0v temperature (c) output voltage (v) 0 1 2 3 4 5 0 1020 3040 50 time (ms) output voltage (v) vr4 vr3 vr1
power conditioning - smt 11 11 - 6 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator outline drawing notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters]. 3. dimension does not include moldflash of 0.15mm per side. 4. dimension does not include moldflash of 0.25mm per side. 5. all ground leads must be soldered to pcb ground. 6. classified as moisture sensitivity level (msl) 1. part number package body material lead finish msl rating package marking [1] HMC860LP3E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] 860 xxx x [1] 4-digit lot number xxxx [2] max peak re ow temperature of 260 c package information electrostatic sensitive device observe handling precautions absolute maximum ratings vdd to gnd voltage +6.5v / -0.3v en to gnd voltage vdd + 0.5v / -0.3v rdx / hvx to gnd voltage vdd + 0.5v / -0.3v thermal resistance (junction to ground paddle) 30 c/w maximum junction temperature +125 c vr1 current vr2, vr3 current vr4 current 350 ma 75 ma 450 ma storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1c stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this speci cation is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability.
power conditioning - smt 11 11 - 7 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator pin number function description interface schematic 1 vdd unregulated power supply input 2gnd supply ground 3en enable input, ttl logic level. the vrx outputs are oating (high impedance) when en = low. 4ref reference voltage (bandgap) output. cannot be used to source/sink current to/from external circuits 5hv3 sets vr3 to 5v output when connected to ground, otherwise no connection. 8hv4 sets vr4 to 5v output when connected to ground, otherwise no connection. 13 hv2 sets vr2 to 5v output when connected to ground, otherwise no connection. 16 hv1 sets vr1 to 5v output when connected to ground, otherwise no connection. 6rd3 resistive feedback for vr3, see output voltage adjust section. 7rd4 resistive feedback for vr4, see output voltage adjust section. 14 rd2 resistive feedback for vr2, see output voltage adjust section. 15 rd1 resistive feedback for vr1, see output voltage adjust section. 9 vr4 regulator #4 output 10 vr3 regulator #3 output 11 vr 2 reg ulator # 2 o ut put 12 vr1 regulator #1 output pin descriptions
power conditioning - smt 11 11 - 8 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application schematic HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator the speci ed noise performance requires the 1f decoupling capacitor between pins ref and gnd (c1) and the 100nf capacitors connected between output vrx (x=1,2,3,4) and the respective rdx pin (c2, c3, c4 and c5). if noise performance is not critical for a particular output, the 100nf capacitor can be omitted for the respective regulator. in this case, noise spectral density will typically increase by a factor of 20x at 10khz. the 1f ref capacitor causes a 25ms typical turn-on start-up time. stability two approaches are recommended to manage the stability of the high-current regulators vr1 and vr4. if only one decoupling capacitor is used at the output, the capacitor series resistance resr must be between 0.2 ohm and 2 ohm to insure stability across all loading conditions. this is shown at output vr4 in the application schematic. note that ceramic capacitors typically have much lower resr (as low as 0.02 ohm at resonance) hence they will need a series resistor to insure stability. in the case when several capacitors are connected at the output (which is often the case with noise and spurious sensitive circuits), an alternate approach is to insert a small resistor in series with the load but after the 100nf feed- back capacitor. this is shown by rs1 at the vr1 output in the application schematic. the minimum resistor value is 0.1 ohm, while the maximum value is set by the acceptable output voltage drop. due to the lower current, regulators vr2 and vr3 do not have special stability requirements. typical 10f ceramic capacitor esr of 0.02 ohm is sufficient for their stability.
power conditioning - smt 11 11 - 9 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator output voltage adjust there are several ways to adjust the output voltage for each regulator. a 5v setting for any output can be achieved by grounding the respective hvx (x=1,2,3,4) pin. any other value requires an external resistor, connected between rdx and gnd for a voltage higher than the default, or between vrx and rdx for a voltage lower than the default. the gures below show the values of the internal resistive dividers that set the default output voltage a. for 3v and b. for 4.5v and two examples of two different voltage settings: c. shows a default 3v output changed to 3.3v by connecting a 220k ohm resistor between rdx and gnd, while d. shows the same output adjusted to 2.5v by connecting a 120k ohm resistor between vrx and rdx. the internal resistors have a temperature coefficient (tempco) of +270ppm/c. when the default output voltage is modi ed by using an external resistor with a different tempco, the temperature behavior of the respective output will differ from this speci cation, although the difference will likely be very small. vrx vref 1+ ( ) r1 r2 || rx vrx vref 1+ ( ) r1 || rx r2 for vrx > vrx_default; x = 1, 2, 3, 4 vrx_default = 3v for vr1, vr2 & vr3 vrx_default = 4.5v for vr4 for vrx < vrx_default; x = 1, 2, 3, 4
power conditioning - smt 11 11 - 10 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com evaluation schematic HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator
power conditioning - smt 11 11 - 11 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com evaluation pcb list of materials for evaluation pcb 124352 [1] item description j7 - j20 2 pos vertical tin c7 4.7 f capacitor, 0805 pkg. c10, c11, c13, c14, c19, c21, c23, c25 100 nf capacitor, 0402 pkg. c12 1.0 f capacitor, 0603 pkg. c15 - c18 10 f capacitor, 0805 pkg. c20, c22, c24, c26 1000 pf capacitor, 0402 pkg. r13, r16, r18, r21, r29 1 ohm resistor, 0402 pkg. r23, r25 0.2 ohm resistor, 0402 pkg. r24, r26 - r28 0 ohm resistor, 0402 pkg. tp1 - tp3 test point pc compact u1 HMC860LP3E quad regulator HMC860LP3E v00.0809 quad low noise high psrr linear voltage regulator item description pcb [2] 124072 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 or fr4 a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hittite upon request.
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