APW7083 查看數據表（PDF） - Anpec Electronics

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APW7083

5A, 26V, 380kHz, Synchronous Step-Down Converter

Anpec Electronics 

APW7083

Operating Waveforms (Cont.)

Refer to the “Typical Application Circuit”. The test conditions are VIN=12V, VOUT=3.3V, L1=3.3µH, C4=66µF, TA= 25oC

unless otherwise specified.

Enable Through EN Pin

IOUT=5A

1

V

EN

V

OUT

2

I

L1

3

Shutdown Through EN Pin

IOUT=5A

1

VE N

VOUT

2

IL1

3

CH1: VEN, 5V/Div, DC

CH2: VOUT, 2V/Div, DC

CH3: IL1, 5A/Div, DC

TIME: 5ms/Div

CH1: VEN, 5V/Div, DC

CH2: VOUT, 2V/Div, DC

CH3: IL1, 5A/Div, DC

TIME: 5ms/Div

Over Current

0.3Ω load is switched into VOUT

while IOUT=1A

VOUT

1

I L1

2

CH1: VOUT, 1V/Div, DC

CH2: IL1, 5A/Div, DC

TIME: 50µs/Div

Short Circuit

VOUT is shorted to ground by a wire

V IN

I OUT=5A

V OUT

1

V

IL1

OUT

I L1

2

CH1: VOUT, 1V/Div, DC

CH2: IL1, 5A/Div, DC

TIME: 50ms/Div

Copyright © ANPEC Electronics Corp.

9

Rev. A.5 - Sep., 2011

www.anpec.com.tw

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