APW7068(2009) 查看數據表（PDF） - Anpec Electronics

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APW7068
(Rev.:2009)

Synchronous Buck PWM and Linear Controller with 0.8V Reference Out Voltage

Anpec Electronics 

APW7068

Operating Waveforms (Cont.)

Over Current Protection

VCC12=12V, VIN1=12V,

1 VOUT1=1.2V, VIN2=3.3V,

VOUT2=2.5V, L=1µH

COUT=470µHx2,

ROCSET=1kΩ, RDS(ON)=4mΩ

2

3

4

CH1: VOUT1 (1V/div)

CH2: VDRIVE (5V/div)

CH3: VUGATE (20V/div)

CH4: IL (10A/div)

Time: 50µs/div

Short Test after Power Ready

VCC12=12V, VIN1=12V,

VOUT1=1.2V, VIN2=3.3V,

VOUT2=2.5V, L=1µH

1

COUT=470µHx2,

ROCSET=1kΩ, RDS(ON)=4mΩ

2

3

4

CH1: VOUT1 (1V/div)

CH2: VDRIVE (5V/div)

CH3: VUGATE (20V/div)

CH4: IL (10A/div)

Time: 50µs/div

Short Test before Power On

VCC12=12V, VIN1=12V,

1

VOUT1=1.2V, VIN2=3.3V,

VOUT2=2.5V, L=1µH

2

3

4

CH1: VCC12 (10V/div)

CH2: VOUT1 (1V/div)

CH3: VUGATE (20V/div)

CH4: IL (10A/div)

Time: 2ms/div

Copyright © ANPEC Electronics Corp.

10

Rev. A.6 - Aug., 2009

www.anpec.com.tw

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