SC417EVB Ver la hoja de datos (PDF) - Semtech Corporation

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Fabricante

SC417EVB

10A Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC417/SC427

Block Diagram

V5V

3

V5V

PGOOD

26

EN/PSV

29

AGND D

Reference

Control & Status

Soft Start

V5V

Bootstrap

Switch

DL

FB 1

On- time

Gate Drive

Generator

Control

V5V

FB Comparator

TON 31

VOUT 5

Bypass Comparator

Zero Cross Detector

Valley Current Limit

VIN

A

VIN

8 BST

12 DH

Hi-side

MOSFET

B LX

Lo-side

MOSFET

C PGND

27 ILIM

VLDO 7

FBL 2

A

VIN

Y

B

LDO

VLDO Switchover MUX

14 DL

32

ENL

A = connected to pins 6, 9-11, PAD 2

B = connected to pins 13, 23-25, 28, PAD 3

C = connected to pins 15-22

D = connect to pins 4, 30, PAD 1

12

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