APL5913 Ver la hoja de datos (PDF) - Anpec Electronics

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Fabricante

APL5913

0.8V Reference Ultra Low Dropout (0.25V@3A) Linear Regulator

Anpec Electronics 

APL5913

Operating Waveforms (Cont.)

1.2 Using an MLCC as the Output Capacitor

- COUT = 22µF/6.3V (ESR = 3mΩ), CIN = 22µF/6.3V

- IOUT = 10mA to 3A to 10mA, Rise time = Fall time = 1µS

IOUT = 10mA -> 3A

IOUT = 10mA -> 3A ->10mA

R1=39kΩ, R2=78kΩ

VOUT

C1=56pF VOUT

1

1

1

IOUT = 3A -> 10mA

VOUT

IOUT

2

Ch1 : VOUT, 100mV/Div

Ch2 : IOUT, 1A/Div

Time : 2µS/Div

IOUT

2

Ch1 : VOUT, 100mV/Div

Ch2 : IOUT, 1A/Div

Time : 20µS/Div

2

IOUT

Ch1 : VOUT, 100mV/Div

Ch2 : IOUT, 1A/Div

Time : 2µS/Div

2. Power ON / Power OFF :

- VIN = 1.5V, VCNTL = 5V,VOUT = 1.2V

- COUT = 220µF/6.3V (ESR = 30mΩ), CIN = 100µF/6.3V, RL=1Ω

Power ON

Ch1

Ch2

Ch3

Ch4

VIN

VOUT

VCNTL

VPOK

Ch1

Ch2

Ch3

Ch4

Ch1 : VIN,1V/div

Ch2 : VOUT,1V/div

Ch3 : VPOK,1V/div

Ch4 : VCNTL,2V/div

Time : 10ms/div

Ch1 : VIN,1V/div

Ch2 : VOUT,1V/div

Ch3 : VPOK,1V/div

Ch4 : VCNTL,2V/div

Time : 10ms/div

Power OFF

VIN

VOUT

VCNTL

VPOK

Copyright © ANPEC Electronics Corp.

9

Rev. A.4 - May., 2005

www.anpec.com.tw

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