APW7324 데이터 시트보기 (PDF) - Anpec Electronics

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APW7324

4A,5V, 500KHz Synchronous Buck Converter

Anpec Electronics 

APW7324

Operating Waveforms

The test condition is APW7324, VIN=VCC=5V, VOUT=1.8V, COUT =22µFx2, L=2.2µH, TA= 25oC unless otherwise specified.

Load Transient

Load Transient

VOUT

1

V OUT

1

I OUT

I OUT

2

IOUT=100mA-4A-100mA, Slew Rate=1A/µs

CH1: VOUT, 200mV/Div, offset=1.8V

CH2: IOUT, 2A/Div, DC

TIME: 50µs/Div

Current Limit

V OUT

1

VPOK

2

I OUT

3

CH1: VOUT ,1V/Div, DC

CH2: VPOK, 5V/Div, DC

CH3: IOUT, 5A/Div, DC

TIME: 200µs/Div

2

IOUT=1A-4A-1A, Slew Rate=1A/µs

CH1: VOUT, 200mV/Div, offset=1.8V

CH2: IOUT, 2A/Div, DC

TIME: 50µs/Div

Over Voltage Protection

VOUT

V POK

1

2

IL

3

No Load, a 2.5V power source is externally

attached to VOUT

CH1: VOUT, 1V/Div, DC

CH2: VPOK, 5V/Div, DC

CH3: IL, 2A/Div, DC

TIME: 50µs/Div

Copyright © ANPEC Electronics Corp.

7

Rev. A.4 - Aug., 2013

www.anpec.com.tw

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