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for free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. for small orders, phone 1-800-835-8769. ge ne ra l de sc ript ion the max6001Cmax6005 family of sot23, low-cost series voltage references meets the cost advantage of shunt references and offers the power-saving advant age of series references, which traditionally cost more . unlike conventional shunt-mode (two-terminal) references t hat must be biased at the load current and require an e xter- nal resistor, these devices eliminate the need for an external resistor and offer a supply current that i s virtually independent of the supply voltage. these micropower, low-dropout, low-cost devices are ideal for high-volume, cost-sensitive 3v and 5v bat tery- operated systems with wide variations in supply vol tage that require very low power dissipation. additional ly, these devices are internally compensated and do not require an external compensation capacitor, saving valuable board area in space-critical applications. applic a t ions portable/battery-powered equipment notebook computers pdas, gpss, and dmms cellular phones pagers hard-disk drives fe a t ure s ? 1% max initial accuracy ? 100ppm/c max temperature coefficient ? 45a max quiescent supply current ? 0.8a/v supply current variation with v in ? 400a output source and sink current ? 100mv dropout at 400a load current ? 0.12v/a load regulation ? 8v/v line regulation ? stable with c load = 0 to 2.2nf m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s ________________________________________________________________ maxim integrated products 1 in +supply input (see selector guide ) out reference out 2.2nf max* *capacitors are optional gnd max6001 max6002 max6003 max6004 max6005 * typic a l ope ra t ing circ uit 13-1395; rev 1; 4/99 part max6001 eur-t max6002 eur-t -40c to +85c -40c to +85c temp. range pin- package 3 sot23-3 3 sot23-3 orde ring i nform a t ion sot top mark fzcw fzcx max6004 eur-t -40c to +85c 3 sot23-3 fzcy max6005 eur-t -40c to +85c 3 sot23-3 fzcz (v out + 200mv) to 12.6 5.000 max6005 (v out + 200mv) to 12.6 4.096 max6004 (v out + 200mv) to 12.6 2.500 max6002 2.5 to 12.6 1.250 max6001 input voltage (v) output voltage (v) part se le c t or guide out 1 3 gnd in max6001 max6002 max6003 max6004 max6005 sot23-3 top view 2 pin configura t ion (v out + 200mv) to 12.6 3.000 max6003 max6003 eur-t -40c to +85c 3 sot23-3 fzdk downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristicsmax6001 (v in = +5v, i out = 0, t a = t min to t max , unless otherwise noted. typical values are at t a = +25c.) (note 1) stresses beyond those listed under absolute maximu m ratings may cause permanent damage to the device . these are stress ratings only, and functional operation of the device at these or any other condi tions beyond those indicated in the operational sec tions of the specifications is not implied. exposur e to absolute maximum rating conditions for extended per iods may affect device reliability. voltages referenced to gnd in ................................................. ........................-0.3v to +13.5v out ................................................ .............-0.3v to (v in + 0.3v) output short circuit to gnd or in (v in < 6v) ............continuous output short circuit to gnd or in (v in 3 6v) .....................60sec continuous power dissipation (t a = +70c) sot23-3 (derate 4.0mw/c above +70c).............. ....320mw operating temperature range ........................ ...-40c to +85c storage temperature range .......................... ...-65c to +150c lead temperature (soldering, 10sec) ................ .............+300c 2.5v v in 12.6v guaranteed by line-regulation test t a = +25c (note 4) to v out = 0.1% of final value, c out = 50pf v in = 5v 100mv, f = 120hz short to in f = 10hz to 10khz f = 0.1hz to 10hz short to gnd sinking: -400a i out 0 2.5v v in 12.6v sourcing: 0 i out 400a 1,000 hours at t a = +25c conditions a/v 0.8 2.6 i in /v in change in supply current a 27 45 i in quiescent supply current v 2.5 12.6 v in supply voltage range nf 0 2.2 c out capacitive-load stability range s 30 t r turn-on settling time db 86 d v out / d v in ripple rejection v rms 65 vp-p 25 e out noise voltage ppm/ 1,000hrs 50 d v out / time long-term stability 1.237 1.250 1.263 v v out output voltage ppm 130 temperature hysteresis (note 3) 4 ma 4 i sc out short-circuit current 0.15 1.0 20 100 v/v 8 120 d v out / d v in line regulation 0.12 0.8 units min typ max symbol parameter ppm/c tcv out output voltage temperature coefficient (note 2) d v out / d i out load regulation v/a output dynamic input downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s _______________________________________________________________________________________ 3 input dynamic output load regulation d v out / d i out output voltage temperature coefficient (note 2) ppm/c tcv out t a = +25c parameter symbol min typ max units 0.14 0.90 line regulation d v out / d v in 15 200 20 100 0.18 1.10 dropout voltage (note 5) v in - v out 100 200 mv out short-circuit current i sc 4 ma 4 output voltage v out v 2.475 2.500 2.525 temperature hysteresis (note 3) d v out / time 130 ppm long-term stability d v out / time 50 ppm/ 1,000hrs noise voltage e out 60 vp-p 125 v rms ripple rejection d v out / d v in 82 db turn-on settling time t r 85 s capacitive-load stability range c out 0 2.2 nf supply voltage range v in v out + 0.2 12.6 v quiescent supply current i in 27 45 a change in supply current i in /v in 0.8 2.6 a/v conditions sourcing: 0 i out 400a 1,000 hours at t a = +25c (v out + 0.2v) v in 12.6v sinking: -400a i out 0 i out = 400a f = 0.1hz to 10hz short to gnd short to in f = 10hz to 10khz v in = 5v 100mv, f = 120hz to v out = 0.1% of final value, c out = 50pf (note 4) guaranteed by line-regulation test (v out + 0.2v) v in 12.6v v/v v/a electrical characteristicsmax6002 (v in = +5v, i out = 0, t a = t min to t max , unless otherwise noted. typical values are at t a = +25c.) (note 1) downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s 4 _______________________________________________________________________________________ electrical characteristicsmax6003 (v in = +5v, i out = 0, t a = t min to t max , unless otherwise noted. typical values are at t a = +25c.) (note 1) line regulation d v out / d v in 20 220 (v out + 0.2v) v in 12.6v v/v ppm/c t a = +25c parameter symbol min typ max units output voltage temperature coefficient (note 2) tcv out 20 100 out short-circuit current i sc 4 ma 4 output voltage v out v 2.97 3.00 3.03 temperature hysteresis (note 3) d v out / time 130 ppm long-term stability d v out / time 50 ppm/ 1,000hrs noise voltage e out 75 vp-p 150 v rms ripple rejection d v out / d v in 80 db turn-on settling time t r 100 s capacitive-load stability range c out 0 2.2 nf supply voltage range v in v out + 0.2 12.6 v quiescent supply current i in 27 45 a change in supply current i in /v in 0.8 2.6 a/v conditions 1,000 hours at t a = +25c f = 0.1hz to 10hz short to gnd short to in f = 10hz to 10khz v in = 5v 100mv, f = 120hz to v out = 0.1% of final value, c out = 50pf (note 4) guaranteed by line-regulation test (v out + 0.2v) v in 12.6v output dynamic input dropout voltage (note 5) v in - v out 100 200 i out = 400a mv load regulation d v out / d i out 0.14 0.90 sourcing: 0 i out 400a v/a sinking: -400a i out 0 0.18 1.10 downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s _______________________________________________________________________________________ 5 electrical characteristicsmax6004 (v in = +5v, i out = 0, t a = t min to t max , unless otherwise noted. typical values are at t a = +25c.) (note 1) (v out + 0.2v) v in 12.6v guaranteed by line-regulation test t a = +25c (note 4) to v out = 0.1% of final value, c out = 50pf v in = 5v 100mv, f = 120hz f = 10hz to 10khz short to in short to gnd f = 0.1hz to 10hz i out = 400a sourcing: 0 i out 400a (v out + 0.2v) v in 12.6v 1,000 hours at t a = +25c 1,000 hours at t a = +25c conditions a/v 0.8 2.6 i in /v in change in supply current a 27 45 i in quiescent supply current v v out + 0.2 12.6 v in supply voltage range input nf 0 2.2 c out capacitive-load stability range s 160 t r turn-on settling time db 77 d v out / d v in ripple rejection v rms 200 vp-p 100 e out noise voltage ppm/ 1,000hrs 50 d v out / time long-term stability ppm 130 d v out / time temperature hysteresis (note 3) v 4.055 4.096 4.137 v out output output voltage 4 ma 4 i sc out short-circuit current mv 100 200 v in - v out dropout voltage (note 5) 0.15 1.00 ppm/c tcv out output voltage temperature coefficient (note 2) 20 100 v/v 25 240 d v out / d v in line regulation v/a d v out / d i out load regulation units min typ max symbol parameter sinking: -400a i out 0 0.20 1.20 input output dynamic downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s 6 _______________________________________________________________________________________ input dynamic output note 1: all devices are 100% production tested at t a = +25c and are guaranteed by design for t a = t min to t max , as specified. note 2: temperature coefficient is measured by the box me thod; i.e., the maximum d v out is divided by the maximum d t. note 3: thermal hysteresis is defined as the change in +25 c output voltage before and after cycling the devic e from t min to t max . note 4: not production tested. guaranteed by design. note 5: dropout voltage is the minimum input voltage at whi ch v out changes 0.2% from v out at v in = 5.0v (v in = 5.5v for max6005). electrical characteristicsmax6005 (v in = +5.5v, i out = 0, t a = t min to t max , unless otherwise noted. typical values are at t a = +25c.) (note 1) 0.24 1.20 sinking: -400a i out 0 20 100 input dynamic parameter symbol min typ max units load regulation d v out / d i out v/a line regulation d v out / d vin 25 240 v/v output voltage temperature coefficient (note 2) tcv out ppm/c 0.17 1.00 dropout voltage (note 5) v in - v out 100 200 mv out short-circuit current i sc 4 ma 4 output voltage v out 4.950 5.000 5.050 v temperature hysteresis (note 3) 130 ppm long-term stability d v out / time 50 ppm/ 1,000hrs noise voltage e out 120 vp-p 240 v rms ripple rejection d v out / d v in 72 db turn-on settling time t r 220 s capacitive-load stability range c out 0 2.2 nf supply voltage range v in v out + 0.2 12.6 v quiescent supply current i in 27 45 a change in supply current i in /v in 0.8 2.6 a/v conditions 1,000 hours at t a = +25c (v out + 0.2v) v in 12.6v sourcing: 0 i out 400a i out = 400a f = 0.1hz to 10hz short to gnd short to in f =10hz to 10khz v in = 5v 100mv, f = 120hz to v out = 0.1% of final value, c out = 50pf (note 4) t a = +25c guaranteed by line-regulation test (v out + 0.2v) v in 12.6v output downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s _______________________________________________________________________________________ 7 typic a l ope ra t ing cha ra c t e rist ic s (v in = +5v for max6001Cmax6004, v in = +5.5v for max6005; i out = 0; t a = +25c; unless otherwise noted.) (note 6) 1.2400 1.2420 1.2460 1.2440 1.2500 1.2480 1.2520 -40 0 -20 20 40 60 80 100 m ax6001 output voltage tem perature drift max6001-01 temperature drift (c) v out (v) three typical parts 4.986 4.990 4.988 4.996 4.994 4.992 5.002 5.000 4.998 -40 0 20 -20 40 60 80 100 m ax6005 output voltage tem perature drift max6001-02 temperature drift (c) v out (v) three typical parts 4.993 4.995 4.994 4.999 4.998 4.997 4.996 5.002 5.001 5.000 5.003 0 300 400 500 100 200 600 700 800 900 1,000 m ax6005 long-term drift max6001-03 time (hours) output voltage (v) three typical parts -100 0 200 100 300 400 26 4 8 10 12 14 m ax6001 line regulation max6001-04 input voltage (v) output voltage change ( m v) t a = +85c t a = -40c t a = +25c -0.4 -0.2 0 0.2 0.4 -500 -250 0 250 -375 -125 125 375 500 m ax6001 load regulation max6001-07 load current ( m a) output voltage change (mv) t a = +85c t a = -40c t a = +25c -200 0 400 200 600 800 5 7 9 11 13 m ax6005 line regulation max6001-05 input voltage (v) output voltage change ( m v) t a = +85c t a = -40c t a = +25c 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 200 400 600 800 1,000 m ax6002/m ax6003 dropout voltage vs. source current max6001-06 source current ( m a) dropout voltage (v) t a = +85c t a = -40c t a = +25c -0.400 -0.200 0 0.200 0.400 -500 -250 0 250 -375 -125 125 375 500 m ax6005 load regulation max6001-08 load current ( m a) output voltage change (mv) t a = +85c t a = -40c t a = +25c 0 0.10 0.05 0.20 0.15 0.25 0.30 0 400 200 600 800 1,000 m ax6004/m ax6005 dropout voltage vs. source current max6001-09 source current ( m a) dropout voltage (v) t a = +85c t a = -40c t a = +25c downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s 8 _______________________________________________________________________________________ 100 1k 10k 100k 1m 10m m ax6001 power-supply rejection vs. frequency max6001-10 frequency (hz) psr (mv/v) 100 0.01 0.1 1 10 m ax6005 power-supply rejection vs. frequency max16001-11 frequency (hz) psr (mv/v) 100 0.01 0.1 1 10 10 10k 100k 1m 100 1k 10m v cc = 5.5v 0.25v 20 26 24 22 28 30 32 34 36 38 40 26 4 8 10 12 14 supply current vs. input voltage max6001-12 input voltage (v) supply current ( m a) valid over specified v in (min) to v in (max) for each part 0.01 100 10k 1 0.1 10 1k 100k 1m m ax6001 output im pedance vs. frequency max6001-13 frequency (hz) output impedance ( w ) 0.1 1 10 100 1k 0.01 100 10k 1 0.1 10 1k 100k 1m m ax6005 output im pedance vs. frequency max6001-14 frequency (hz) output impedance ( w ) 0.1 1 10 100 1k 20 25 30 35 40 supply current vs. tem perature max6001-15 temperature (c) supply current ( m a) -40 20 40 -20 0 60 80 100 v in = 12.5v v in = 7.5v v in = 5.5v v in = 2.5v (max6001 only) v out 20 m v/div 1sec/div m ax6005 0. 1hz to 10hz output noise max6001-17 v in 1v/div v out 1v/div 10 m s/div m ax6001 turn-on transient max6001-18 typic a l ope ra t ing cha ra c t e rist ic s (c ont inue d) (v in = +5v for max6001Cmax6004, v in = +5.5v for max6005; i out = 0; t a = +25c; unless otherwise noted.) (note 6) v out 10 m v/div 1sec/div m ax6001 0. 1hz to 10hz output noise max6001-16 downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s _______________________________________________________________________________________ 9 typic a l ope ra t ing cha ra c t e rist ic s (c ont inue d) (v in = +5v for max6001Cmax6004, v in = +5.5v for max6005; i out = 0; t a = +25c; unless otherwise noted.) (note 6) i out 40 m a/div +25 m a -25 m a v out 20mv/div 10 m s/div m ax6001 load-transient response max6001-19 i out = 25 m a, ac-coupled i out 50 m a/div v out 50mv/div 20 m s/div m ax6005 load-transient response max6001-20 v in = 5.5v, i out = 25 m a, ac-coupled v in 2v/div v out 2v/div 10 m s/div m ax6005 turn-on transient max6001-21 +500 m a -500 m a v out 0.2v/div i out 1ma/div 10 m s/div m ax6001 load-transient response max6001-22 i out = 500 m a, ac-coupled v in 200mv/div v out 100mv/div 2 m s/div v in = 5.5v 0.25v, ac-coupled m ax6005 line-transient response max6001-25 i out 500 m a/div v out 200mv/div 20 m s/div m ax6005 load-transient response max6001-23 v in = 5.5v, i out = 500 m a, ac-coupled v in 200mv/div v out 100mv/div 2.5 m s/div v in = 5v 0.25v, ac-coupled m ax6001 line-transient response max6001-24 note 6: many of the typical operating characteristics of the max6001 family are extremely similar. the extremes of these characteri stics are found in the max6001 (1.2v output) and max6005 (5.0v output) dev ices. the typical operating characteristics of the remainder of the max6001 family typically lie between these two extremes and can be estimated based on their output voltage. downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s 10 ______________________________________________________________________________________ de t a ile d de sc ript ion the max6001 Cmax6005 bandgap references offer a temperature coefficient of <100ppm/c and initial a ccura- cy of better than 1%. these devices can sink and so urce up to 400a with <200mv of dropout voltage, making them attractive for use in low-voltage applications . applic a t ions i nform a t ion out put /loa d ca pa c it a nc e devices in this family do not require an output cap aci- tance for frequency stability. they are stable for capac- itive loads from 0 to 2.2nf. however, in applicatio ns where the load or the supply can experience step changes, an output capacitor will reduce the amount of overshoot (or undershoot) and assist the circuits tran- sient response. many applications do not need an external capacitor, and this family can offer a sig nifi- cant advantage in these applications when board space is critical. supply curre nt the quiescent supply current of these series-mode r ef- erences is a maximum of 45a and is virtually indep en- dent of the supply voltage, with only a 0.8a/v var iation with supply voltage. unlike shunt-mode references, the load current of these series-mode references is dra wn from the supply voltage only when required, so supp ly current is not wasted and efficiency is maximized o ver the entire supply voltage range. this improved effi cien- cy can help reduce power dissipation and extend bat - tery life. when the supply voltage is below the minimum speci- fied input voltage (as during turn-on), the devices can draw up to 200a beyond the nominal supply current. the input voltage source must be capable of providi ng this current to ensure reliable turn-on. out put v olt a ge h yst e re sis output voltage hysteresis is the change in the outp ut voltage at t a = +25c before and after the device is cycled over its entire operating temperature range. hysteresis is caused by differential package stress appearing across the bandgap core transistors. the typical temperature hysteresis value is 130ppm. pin de sc ript ion name function 1 in supply voltage input 2 out reference voltage output pin 3 gnd ground figure 1. positive and negative references from sin gle +3v or +5v supply in v s +2v s -2v s out +ref output output -ref output 10nf 1m, 0.1% 1m, 0.1% gnd max6001 max6002 max6003 max6004 max6005 v cc v+ gnd max681 v- v+ v- icl7652 downloaded from: http:///
m ax 6 0 0 1 Cm ax 6 0 0 5 low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s ______________________________________________________________________________________ 11 chip i nform a t ion transistor count: 70 t urn-on t im e these devices typically turn on and settle to withi n 0.1% of their final value in 30s to 220s dependin g on the device. the turn-on time can increase up to 1.5 ms with the device operating at the minimum dropout vo lt- age and the maximum load. posit ive a nd n e ga t ive low -pow e r v olt a ge re fe re nc e figure 1 shows a typical method for developing a bi po- lar reference. the circuit uses a max681 voltage do u- bler/inverter charge-pump converter to power an icl7652, thus creating a positive as well as a nega tive reference voltage. downloaded from: http:///
maxim cannot assume responsibility for use of any c ircuitry other than circuitry entirely embodied in a maxim product. no circuit patent licenses are implied. maxim reserves the right to change the cir cuitry and specifications without notice at any tim e. 12 ____________________m a x im i nt e gra t e d produc t s, 1 2 0 sa n ga brie l drive , sunnyva le , ca 9 4 0 8 6 4 0 8 -7 3 7 -7 6 0 0 ? 1999 maxim integrated products printed usa is a reg istered trademark of maxim integrated products. low -cost , low -pow e r, low -dropout , sot 2 3 -3 volt a ge re fe re nc e s m ax 6 0 0 1 Cm ax 6 0 0 5 pa c k a ge i nform a t ion sotpo3l.eps downloaded from: http:///

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