APW7153AKII-TRG データシートの表示（PDF） - Anpec Electronics

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APW7153AKII-TRG

3A 5V 2MHz Synchronous Buck Converter

Anpec Electronics 

APW7153/A/B

Block Diagram

APW7153

VDD

PVDD

Over-

Temperature

Protection

1V

0.4

Power-On-

Reset

POR

OTP

OVP

UVP

LOC

Current

-Limit

Fault

Logics

Current Sense

Amplifier

Zero Crossing

Amplifier

Inhibit Gate

Control

FB

COMP

Soft-Start

Error

Amplifier

Gm

VREF

0.8V

Current

Compartor

Slope

Compensation

Shutdown

Oscillator

Gate

Driver

Gat

e

LOC

Current Sense

Amplifier

LX

PGND

GND

APW7153A

VDD

7

SHDN/RT

PVDD

6

Over-

Temperature

Protection

Power-On-

Reset

LOC

Current

-Limit

0.625V

0.25V

0.5625V

POR

OTP

OVP

UVP

Fault

Logics

Current Sense

Amplifier

Zero Crossing

Comparator

Inhibit Gate

Control

4 LX

3 LX

0.4375V

FB 9

Soft-Start

COMP 10

Error

Amplifier

Gm

VREF

0.5V

Current

Compartor

Slope

Compensation

Shutdown

Oscillator

8

POK

1

EN/RT

Gate

Driver

Gat

e

LOC

Current Sense

Amplifier

5 PGND

2 GND

Copyright © ANPEC Electronics Corp.

8

Rev. A.6 - Aug., 2012

www.anpec.com.tw

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