APW7199 查看數據表（PDF） - Anpec Electronics

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产品描述 (功能)

比赛名单

APW7199

High-Performance Step-Down PWM Controller with PFM

Anpec Electronics 

APW7199

Operating Waveforms (Cont.)

Refer to the typical application circuit. The test condition is VIN=19V, TA=25oC unless otherwise specified.

Load Transient

0A->10A

Load Transient

10A->0A

VP H A S E

1

VLGATE

2

VOUT

3

VP H A S E

1

VLGA TE

2

VOUT

3

IOUT

4

CH1: VPHASE, 20V/Div, DC

CH2: VLGATE, 5V/Div, DC

CH3: VOUT, 50mV/Div, AC

CH4: IOUT, 10A/Div, DC

TIME: 10µs/Div

IOUT

4

CH1: VPHASE, 20V/Div, DC

CH2: VLGATE, 5V/Div, DC

CH3: VOUT, 50mV/Div, AC

CH4: IOUT, 10A/Div, DC

TIME: 10µs/Div

Current-Limit and UV Protections

1

2

3

4

CH1: VPHASE, 20V/Div, DC

CH2: VLGATE, 5V/Div, DC

CH3: VOUT, 1V/Div, DC

CH4: IL, 10A/Div, DC

TIME: 20µs/Div

V

PHASE

V LGATE

V

OUT

IL

Short Circuit Test

1

2

3

4

CH1: VPHASE, 20V/Div, DC

CH2: VLGATE, 5V/Div, DC

CH3: VOUT, 1V/Div, DC

CH4: IL, 10A/Div, DC

TIME: 20µs/Div

VP H A S E

V

LGATE

V

OUT

IL

Copyright © ANPEC Electronics Corp.

9

Rev. A.4 - Oct., 2010

www.anpec.com.tw

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