APW7088 Просмотр технического описания (PDF) - Anpec Electronics

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производитель

APW7088

Two-Phase Buck PWM Controller with Integrated MOSFET Drivers

Anpec Electronics 

APW7088

Operating Waveforms (Cont.)

Power On Without VIN2 Voltage

VOUT

1

VPHASE1

2

VPHASE2

3

Vss

4

CH1: VOUT (1V/div)

CH2: VPHASE1 (10V/div)

CH3: VPHASE2 (2V/div)

CH4: VSS (2V/div)

Time: 5ms/div

Under-Voltage Protection (UVP)

1

2

3

4

CH1: VFB (500mV/div)

CH2: VPHASE1 (10V/div)

CH3: VPHASE2 (10V/div)

CH4: VSS (2V/div)

Time: 500µs/div

VFB

VPHASE1

VPHASE2

Vss

Load Transient , 0A==>40A

VPHASE1

1

IPHASE2

2

VOUT

3

IOUT

4

CH1: VPHASE1 (20V/div)

CH2: IPHASE2 (20A/div)

CH3: VOUT (AC, 200mV/div)

CH4: IOUT (10A/div)

Time: 20µs/div

RSEN=3kΩ

L=0.56µH

DCR=4mΩ

Load Transient , 40A==>0A

VPHASE1

1

IPHASE2

2

VOUT

3

IOUT

RSEN=3kΩ

L=0.56µH

DCR=4mΩ

4

CH1: VPHASE1 (20V/div)

CH2: IPHASE2(20A/div)

CH3: VOUT (AC, 200mV/div)

CH4: IOUT (10A/div)

Time: 20µs/div

Copyright © ANPEC Electronics Corp.

8

Rev. A.4 - Feb., 2009

www.anpec.com.tw

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