SC417 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SC417

10A Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC417/SC427

Typical Application Circuit

ENABLE

LDO

RILIM

7.5KΩ

ENABLE/

PSAVE

PGOOD

Note:

V5V is tied to VLDO

RTON

154KΩ

RLDO1

56.2KΩ

RLDO2

10KΩ

100nF

1μF

VIN

+12V

A separate 5V supply for the

SC417/SC427 is not required

if VLDO is used to power the

device.

PAD 1 AGND

1 FB

2 FBL

3 V5V

4 AGND

5 VOUT

6 VIN

7 VLDO

8

BST

SC417/SC427

LX 24

LX 23

PGND 22

PGND 21

PGND 20

PGND 19

PGND 18

PGND 17

LX PAD 3

CBST

0.1μF

CIN

22μF

RGND

0

L1

0.88μH

CFF

100pF

RFB1

11KΩ

1.05V @ 10A, 250kHz

COUT1 + COUT2 +

220μF

220μF

15mΩ

15mΩ

VOUT

10nF

RFB2

10KΩ

Key Components

Component

Value

Manufacturer

Part Number

CIN

COUT1, COUT2

L1

22μF/25V

220μF/15mΩ/6.3V

0.88μH/20A

Murata

Panasonic

Vishay

GRM32ER61E226KE15L

EEFUE0J221R

IHLP4040DZERR88M11

All other small signal components (resistors and capacitors) are standard SMT devices.

Web

www.murata.com

www.panasonic.com

www.vishay.com

2

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