SC174 데이터 시트보기 (PDF) - Semtech Corporation

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SC174

4A EcoSpeed™ Synchronous Step-Down Regulator with Optional Ultrasonic Power Save

Semtech Corporation 

SC174

Block Diagram

10

VDD

AGND

9

Reference

7

EN

5

PGOOD

Control

VDD

1

BST

VIN

2

FB

6

Soft

Start

On-Time

Generator

Gate Drive

Control

VDD

LX

3

8

TON

Zero-Cross

Valley

Current Limit

PGND

4

R

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