APW7088 查看數據表（PDF） - Anpec Electronics

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APW7088

Two-Phase Buck PWM Controller with Integrated MOSFET Drivers

Anpec Electronics 

APW7088

Operating Waveforms (Cont.)

OCP at Slow Slew IOUT

RSEN=1.5kΩ

L=0.56µH

DCR=4mΩ

IL1

1

2

3

4

CH1: IL1 (10A/div)

CH2: IL2 (10A/div)

CH3: VSS (5V/div)

CH4: VOUT (1V/div)

Time: 5ms/div

IL2

VSS

VOUT

Short-Circuit Test After Power On

RSEN=1.5kΩ

L=0.56µH

DCR=4mΩ

IL1

1

2

3

4

CH1: IL1 (10A/div)

CH2: IL2 (10A/div)

CH3: VSS (5V/div)

CH4: VOUT (1V/div)

Time: 5ms/div

IL2

VSS

VOUT

Short-Circuit Test Before Power On

RSEN=1.5kΩ

L=0.56µH

DCR=4mΩ

IL1

1

IL2

2

VSS

3

4

VOUT

CH1: IL1 (10A/div)

CH2: IL2 (10A/div)

CH3: VSS (5V/div)

CH4: VOUT (1V/div)

Time: 5ms/div

OVP After Power On

Pull-Up VFB > V OV

VFB

1

VSS

VLG1

2

3

VLG2

4

CH1: VFB (500mV/div)

CH2: VSS (2V/div)

CH3: VLG1 (10V/div)

CH4: VLG2 (10V/div)

Time: 100µs/div

Copyright © ANPEC Electronics Corp.

9

Rev. A.4 - Feb., 2009

www.anpec.com.tw

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