ace 5 01 2 5 0ma cmos low dropout voltage low consumption regulator ver 1. 4 1 d escription ace501 series is a group of positive voltage output, low power consumption, low dropout voltage, three terminal regulator. it can provide 250ma output current when input / output voltage differential drops to 400mv (vin=4.0v. vout=3.0v) . the ve ry low power consumption of ace501 (lq=3.0ua) can greatly improve natural life of batteries. ace501 can provide output value in the range of 1.2v~6.0v in 0.1v steps. it also can customized on command. ace501 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. ace501 has well load transient response and good temperature characteristic , which can assure the stability of chip and power system , and it uses trimming technique to guarantee output voltage acc uracy within 2%. features ? low power consumption: 3.0 ua (typ) ? maximum output current: 250ma ? small dropout voltage 17 0 mv@100 ma (vout=3.0v) / 400mv@250ma (vout=3.0v) ? input voltage range: 1.5v~10v ? output voltage range: 1.2v~6.0v (customized on command in 0 .1v steps) ? high accurate: 2% ( 1% customized) e ? output current limit application ? battery powered equipment ? power management of mp3. pda. dsc. mouse. ps2 games ? reference voltage source ? regulation after switching power typical performance characteristic: output voltage vs. output current (vout=1.5v) output current (ma)
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 2 absolute maximum ratings p arameter s ymbol m ax u nit input supply voltage v in 10 v power dissipation sot - 23 - 3 sot - 89 - 3 250 500 mw j unction temperature t j 125 o c storage temperature t s - 45 to 150 o c ambient temperature t a - 40 ~85 o c packaging type sot - 8 9 - 3 sot - 23 - 3 3 1 2 3 1 2 descr iption sot - 89 - 3 sot - 23 - 3 function v ss 1 1 ground v in 2 3 supply voltage input v out 3 2 output voltage ordering information ace 501 xx xx + h am : sot - 89 - 3 bm : sot - 23 - 3 output voltage
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 3 re commended work conditions item min max unit input voltage range 8 v ambient temperature - 40 + 85 electrical characteristics (test conditions: cin=1uf, cout=1uf,t a =25 , unless otherwise specified.) ace501 - 1.5v parameter symbol conditions min typ max units input voltage v in 8 v output voltage v out 1.47 1.5 1.53 v maximum output current i out (max.) v in =2.5v, v out > 1.47 250 ma input - output voltage differential dropout voltage i out =100ma 270 400 m v line regulation v out / v in ? v out i out =40ma 1.6v Q v in Q 8 v 0.2 0.3 %/v load regulation v out v in =2.5v 1ma Q i out Q 100ma 20 40 m v quiescent current iq v in =2.5v 3.0 5 .0 ua output voltage temperature coefficient v out / t ? v out i out =10ma 50 ppm/ ace501 - 3.0 parameter symbol conditions min typ max units input voltage v in 8 v output voltage v out 2.94 3.0 3.06 v maximum ou tput current i out (max.) v in =4v, v out > 2.94 250 ma input - output voltage differential dropout voltage i out =100ma 170 300 m v i out =200ma 320 500 line regulation v out / v in ? v out i out =40ma 3.2v Q v in Q 8 v 0.2 0.3 %/v load regulation v out v in =4 .0 v 1ma Q i out Q 100ma 20 40 m v quiescent current iq v in =4 v 3.0 5.0 ua output voltage temperature coefficient v out / t ? v out i out =10ma 50 ppm/
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 4 typical application circuit ace 501 vin vin vout vout gnd + 1uf + 1uf cin cout application hints : n ote 1:input capacitor (cin=1uf) is recommended in all application circuit. tantalu m capacitor is recommended. n ote 2:output capacitor (cout=1uf) is recommended in all application to assure the stability of circuit. tantalum capacitor is recommended. typical performance characteristics 1. load regulation 2. line regulation
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 5 3. dropout voltage 4. input voltage transient response input voltage transient response (vout=1.5v, iout=10ma) (vout=1.5v, iout=1ma) input voltage transient response input voltage transient response (vout=3.0v, iout=10ma) (vout=3.0v, iout=1ma)
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 6 5. load transient response (vout=1.5v) load transient response (vout=3.0v)
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 7 packing information sot - 89 - 3
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 8 packing information sot - 23 - 3
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 9 notes ace does not assume any responsibility for use as critical comp onents 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 ar e devices or systems which, (a) are intended for surgical implant into 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/
ace 501 250ma cmos low dropout voltage low consumption regula tor ver 1. 4 10
|
