ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 1 description ACE621E series are a group of positive voltage regulators manufactured by cmos technology with high ripple rejection, ultra - fast transient response and low dropout voltage, which consume less than 1ua in shutdown mode and can provide large ou tput currents even when the difference of the input - output voltage is small. each of the ACE621E series consists of a high - precision voltage reference, an error correction circuit, and a current limited output driver. thus the series are very suitable for the batter - powered equipments, wireless communication applications, industry equipments and so on. features ? shutdown current: <1ua ? guaranteed output current: 1.5a (typ.) ? low quiescent current: 50ua (typ.) ? output voltage range: 1.5v~5.0v ? input voltage ra nge: 2.5v~6.0v ? high accuracy: 2% (typ.) ? dropout voltage: 600mv@1.5a (3.0v typ.) ? excellent l ine r egulation: 0.02%/v ? high psrr: 70db @1khz ? built - in current limiter & thermal protection. ? short circuit current fold - back appli cation ? battery powered systems ? portable instrumentations ? pc peripherals ? cd/dvd - rom, cd/rw ? wireless devices ? battery charger absolute maximum ratings (unless otherwise specified, ta=25 o c ) p arameter s ymbol ratings u nits i nput voltage v in vss - 0.3~vss+7 v output current i out 1.5 ma output voltage v out vss - 0.3~v in +0.3 v power dissipation sot - 89 - 5 pd 600 mw sop8 - pp pd 1500 mw operating temperature t opr - 40~+85 o c storage temperature t stg - 40~+125 o c soldering temperat ure & time t solder 260 o c ,10s
ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 2 packaging type sot - 89- 5 sop - 8 ordering information ACE621E xx xx + h pin number pin name function sot - 89 - 5 sop - 8 1 6 ce chip enable 4 7.8 v in ground 2 5 v ss power input 5 1.2.3 v out output 3 4 nc no connec tion exposed thermal pad thermal pad connect to gnd pb - free halogen - free a n: sot - 89- 5 fm: sop - 8 output voltage : 1.5v/1.8v/3.3v~5.0 v
ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 3 block diagram electrical characteristics ACE621E, for arbitrary output volt age . (test conditions: cin= c out = 4.7 u f, t a =25 c, unless otherwise specified.) symbol parameter conditions min typ max units v out. (e) (note 2) output voltage v in =v out +1v i out =100ma v out *0.98 v out (note1) v out *1.02 v i q supply current v in =v out +1v, v ce =gnd 50 100 ua i shdn shutdown current v ce =v in 0.1 1.0 ua i out output current v in =v out +2v (v out <4v) v in =v out +1v (v out R 4v) 1500 ma v dif dropout voltage (note 3) i out =1.5a 1.5vv out 2.0v 1300 mv 2.0v ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 4 v in input voltage ? 2.5 6.0 v psrr power supply rejection rate 1khz i out =100ma 70 db psrr v ce "h" power supply rejection rate ce "high" voltage 10khz i out =100ma 1.5 50 v db v in v ce "l" ce "low" voltage 0.3 v t sd thermal shutdown temperature ? 150 t sd thermal shutdown temperature hysteresis ? 3 0 note: 1. v out specified output voltage. 2. v out (e) effective output voltage (l.e. the output voltage when v in =(v out +1.0v) and maintain a certain i out value) . 3. v diff the difference of output voltage and input voltage when input voltage i s decreased gradually till output voltage equals to 98% of v out (e). typical application circu note : input capacitor (c in ) 4.7 uf or more output capacitor ( c out ): 4.7 uf or more caution a general series regulator may oscillate, depending on the external components selected. check that no oscillation occurs with the application using the above capacitor.
ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 5 typical performance characteristic:
ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 6 packing information s op - 8 9 - 5 pcakage outling dimensions symbol dimenslons in millimeters dimens i ons in inches min . max . min . max . a 1.400 1.600 0.055 0.063 b 0.320 0.520 0.013 0.020 b 1 0.360 0.560 0.014 0.022 c 0.350 0.440 0.014 0.017 d 4.400 4.600 0.173 0.181 d1 1.400 1.800 0.055 0.071 e 2.300 2.600 0.091 0.102 e1 3.940 4.250 0.155 0.167 e 1.500typ 0.060typ e1 2.900 3.100 0.114 0.122 l 0.900 1.100 0.035 0.043
ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 7 packing information s op - 8 symbol dimens i ons in millimeters dimens i ons in inches min . max . min . max . a 1.350 1.750 0.053 0.069 a1 0.100 0.250 0.004 0.010 a2 1.350 1.550 0.053 0.061 b 0.330 0.510 0.013 0.020 c 0.170 0.250 0.006 0.010 d 4.700 5.100 0.185 0.200 d1 3.100 3.500 0.122 0.137 e 3.800 4.000 0.150 0.157 e1 5.800 6.200 0.228 0.244 e2 2.200 2.600 0.086 0.102 e 1.270(bsc) 0.050(bsc) l 0.400 1.270 0.016 0.050 0 8 0 8
ace 621e ultra - fast high psrr 1.5a cmos volta ge regulator ver 1. 2 8 notes ace does not assume any responsibility for use as critical components in life support devices or systems without the express written approval of the president and general counsel of ace electronics co., ltd. as sued herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant in to the body, or (b) support or sustain life, and shoes failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. ace technology co., ltd. http://www.ace - ele.com/
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