APL5331 Ver la hoja de datos (PDF) - Anpec Electronics

Número de pieza

componentes Descripción

Fabricante

APL5331

3A Bus T ermination Regulator

Anpec Electronics 

APL5331

Operating Waveforms (Cont.)

3. Load Transient Response : I = +3A -> -3A -> +3A

OUT

- V = 2.5V, V = 3.3V

IN

CNTL

- VREF is 1.250V supplied by a regulator

- COUT = 470µF/10V, ESR = 30mΩ

-

I

OUT

slew

rate

=

±3A/µs

IOUT = +3A -> -3A

IOUT = +3A -> -3A -> +3A

VOUT

VOUT

IOUT

+3A

IOUT = -3A -> +3A

VOUT

IOUT

IOUT

Ch1 : VOUT, 50mV/Div, DC,

Offset = 1.250V

Ax1 : IOUT, 2A/Div

Time : 1µs/Div

-3A

Ch1 : VOUT, 50mV/Div, DC,

Offset = 1.250V

Ax1 : IOUT, 2A/Div

Time : 20µs/Div

Ch1 : VOUT, 50mV/Div, DC,

Offset = 1.250V

Ax1 : IOUT, 2A/Div

Time : 1µs/Div

4. Short-Circuit Test

- VIN = 2.5V, VCNTL = 3.3V

V is Shorted to GND

OUT

IOUT

VOUT is Shorted to VIN (2.5V)

IOUT

VOUT

Ch1 : VOUT, 500mV/Div, DC,

Ax1 : IOUT, 2A/Div

Time : 5ms/Div

VOUT

VOUT

IOUT

Ch1 : VOUT, 500mV/Div, DC,

Ax1 : IOUT, 2A/Div

Time : 5ms/Div

Copyright © ANPEC Electronics Corp.

10

Rev. B.4 - Mar., 2008

www.anpec.com.tw

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