SC403BEVB View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC403BEVB

6A EcoSpeed® Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC403B

Block Diagram

VDD

AGND D

VDD

Reference

SS 7

Soft Start

PGOOD

26

EN/PSV

29

Control & Status

VDD

FB 1

TON 31

VOUT 2

VDD 3

FBL 5

FB Comparator

On- time

Generator

Gate Drive

Control

Bypass Comparator

VDD

A

Y

B

VLDO Switchover MUX

LDO

Zero Cross Detector

Valley Current Limit

VIN

Bootstrap

Switch

VIN

A

VIN

8 BST

DL

VDD

DL

12 NC

Hi-side

MOSFET

B LX

13 LXBST

28 LXS

Lo-side

MOSFET

C PGND

27 ILIM

14 NC

32

ENL

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

B = connected to pins 23-25, PAD 3

C = connected to pins 15-22

D = connect to pins 4, 30, PAD 1

14

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