APW7068(2009) Просмотр технического описания (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

Power On

VCC12=12V, VIN1=12V, VIN2=3.3V

VOUT1=1.2V, VOUT2=2.5V, L=1µH

1

2

3

CH1: VCC12 (10V/div)

CH2: VOUT1 (1V/div)

CH3: VOUT2 (2V/div)

Time: 10ms/div

Power Off

VCC12=12V, VIN1=12V, VIN2=3.3V

VOUT1=1.2V, VOUT2=2.5V, L=1µH

1

2

3

CH1: VCC12 (10V/div)

CH2: VOUT1 (1V/div)

CH3: VOUT2 (2V/div)

Time: 10ms/div

EN

VCC12=12V, L=1µH

VIN1=12V, VIN2=3.3V

VOUT1=1.2V, VOUT2=2.5V

1

2

3

4

CH1: VFS_DIS (1V/div)

CH2: VDRIVE (5V/div)

CH3: VOUT1 (1V/div)

CH4: VOUT2 (2V/div)

Time: 10ms/div

Copyright © ANPEC Electronics Corp.

Rev. A.6 - Aug., 2009

Shutdown

VCC12=12V, L=1µH

VIN1=12V, VIN2=3.3V

VOUT1=1.2V, VOUT2=2.5V

1

2

3

4

CH1: VFS_DIS (1V/div)

CH2: VDRIVE (5V/div)

CH3: VOUT1 (1V/div)

CH4: VOUT2 (2V/div)

Time: 10ms/div

7

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