APW7068KE-TRG Просмотр технического описания (PDF) - Anpec Electronics

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APW7068KE-TRG

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

Anpec Electronics 

APW7068

Operating Waveforms (Cont.)

UGATE Rising

VCC12=12V, VIN1=12V, VOUT1=1.2V

1

UGATE Falling

VCC12=12V, VIN1=12V, VOUT1=1.2V

1

2

3

CH1: VUGATE (20V/div)

CH2: VPHASE (10V/div)

CH3: VLGATE (10V/div)

Time: 50ns/div

2

3

CH1: VUGATE (20V/div)

CH2: VPHASE (10V/div)

CH3: VLGATE (10V/div)

Time: 50ns/div

OVP_PWM Controller (V > 135% V )

FB

REF

VCC12=12V, VIN1=12V

VOUT1=1.2V, VOUT2=2.5V, L=1µH

1

2

3

4

CH1: VCC12 (1V/div)

CH2: VLGATE (1V/div)

CH3: VOUT1 (500mV/div)

CH4: VOUT2 (2V/div)

Time: 10ms/div

UVP_Linear Regulator (V < 50% V )

FBL

REF

VCC12=12V, VIN2=3.3V

VOUT2=2.5V, IOUT2=3A

1

2

3

CH1: VFBL (1V/div)

CH2: VDRIVE (5V/div)

CH3: VOUT2 (2V/div)

Time: 100µs/div

Copyright © ANPEC Electronics Corp.

8

Rev. A.6 - Aug., 2009

www.anpec.com.tw

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