ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 1 d escription ACE515C series is a group of positive voltage output, low power consumption, low dropout voltage regulator. ACE515C can provide output value in the range of 1.0v~4.5v every 0.1v step. it also can be customized on command. ACE515C can also wor k under a wide input voltage ranging from 1.5v to 6v. ACE515C includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. ACE515C has excellent load and line transient response and good temperature character istics, which can assure the stability of chip and power system. and it uses trimming technique to guarantee output voltage accuracy within 2%. features ? input voltage range: 1.5 C 6v ? output voltage range: 1.0v~4.5v (customized on command every 0.1v step ) ? low power consumption: 35ua (typ.) ? low output noise (47uvrms) ? shutdown mode: 0.1ua ? low dropout voltage: 300mv@300ma (typ.) ? high ripple rejection:70db@1khz (typ.) ? low temperature coefficient: 100ppm/c ? excellent line regulation: 0.05%/v ? build - in 1.5k discharge resistor when ce low ? highly accurate: 2% ? output current limit ? fold - back output short circuit protection application ? power source for cellular phones and various kind of pcss ? battery powered equipment ? power management of mp3, pda, dsc , mouse, ps2 games ? voltage reference ? regulation after switching power
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 2 typical performance characteristic: absolute maximum ratings p arameter s ymbol m ax u nit max input voltage v in 8 v power dissip ation sc - 70 - 5 sot - 23 - 3 l sot - 23 - 5 dfn1*1 - 4 250 250 250 600 m w j unction temperature t j 125 o c storage temperature t s - 45 to 150 o c output current 300 ma ambient temperature t a - 40 to 85 o c note: heat sink area of pcb for dfn1x1 - 4 is recommended a t least 2.5mmx4mm. exceed these limits to damage to the device. exposure to absolute maximum rating conditions may affect device reliability.
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 3 packaging type sc - 70 - 5 sot - 23 - 3 l sot - 23 - 5 dfn1*1 - 4 5 4 3 5 4 4 3 1 2 3 1 2 1 2 3 1 2 (thermal pad: vss) ordering information ACE515C xx xx + h block diagram sc - 70 - 5 sot - 23 - 3 l sot - 23 - 5 dfn1*1 - 4 description function 5 2 5 1 vout output pin 1 3 1 4 vin input pi n 2 1 2 2 v ss ground pin 3 3 3 ce chip enable pin 4 4 nc no connection hn: sc - 70 - 5 bm : sot - 23 - 3 l bn : sot - 23 - 5 in: dfn1*1 - 4 output voltage : 1. 0v/1.5v/1.8v
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 4 re commended work conditions item min max unit input voltage range 1.5 6 v ambi ent temperature - 40 85 *the operation ambient temperature range is verified on several test samples. not a test condition for volume production whos e test is only performed under 25c. electrical characteristics ACE515C for arbitrary output voltage (te st conditions: cin=1uf, cout=1uf,t a =25 , unless otherwise specified.) parameter symbol conditions min typ max units input voltage v in 1.5 6 v output voltage v out >1.5v v in =set v out +1v 1ma Q iout Q 30ma v out x0.98 v out v out x 1.02 v v out <=1.5v v out C 0.03 v out + 0.03 maximum output current i out (max.) v in - v out =1v 300 ma dropout voltage, v out R 2.8v vdrop 1 i out =100ma 100 150 mv i out =300ma 300 400 line regulation v out / v in ?v out i out =40ma 2.8v Q v in Q 6v 0.05 0.2 %/v load regulation v out / i out v in =set v out +1v 1ma Q i out Q 300ma 50 80 mv supply current iss v in =set v out +1v 3 5 8 0 ua supply current (standby) istandby v in =set v out +1v vce= vss 0.1 1.0 ua output voltage temperature coefficient v out / t?v out i out =30ma 100 ppm/ ripple rejection p srr f= 1k hz, ripple=0.5vp - p v in =set v out +1v 7 0 db short current limit iiim 300 ma ce pin pull down resistance r ce pd ce=vin=5v 500k ce input voltage h vceh 1.5 v in v ce input voltage l vcel 0 0.25 v output noise en bw=10hz~100khz 47 u vrms discharge resistor rdischarge ce=0, vout=3.0v 1.5k note: vdr o p=vin 1 - (vout2*0.98) vout2 is the output voltage when vin=vout1+1.0v and iout=300ma . vin is the input voltage at which the output voltage becomes 98% of vout1 after gradually decreasi ng the input voltage.
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 5 typical application circuit ACE515C n ote input capacitor (cin=1uf) and output capacitor (cout=1uf) are recommended in all application circuit. explanation ACE515C series is a group of positive volta ge output, low noise, low power consumption, low dropout voltage regulator. ACE515C can provide output value in the range of 1. 0 v~4.5v every 0.1v step. it also can be customized on command. ACE515C includes high accuracy voltage reference, error amplifier , current limit circuit and output driver module. ACE515C has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. and it uses trimming technique to guarantee output volta ge accuracy within 2%.
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 6 typical performance characteristics (t=25 )
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 7 typical performance characteristics (t=25 )
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 8 packing information sc - 70 - 5 sot - 23 - 3 l
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 9 packing information sot - 23 - 5 dfn1*1 - 4
ACE515C 300 ma high psrr, linear regulator, w. output discharge ver 1. 4 10 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 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 o f 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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