SC401B View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SC401B

15A Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC401B

Detailed Application Circuit-2

ENABLE/PSAVE

5V

10Ω

RTON

130KΩ

1µF 1µF 3.3nF

VIN

+12V

External 3.3V - 5V Used as Bias

RILIM

7.68KΩ

PAD 1 AGND

1 FB

2 VOUT

3 VDD

4 AGND

5 FBL

6 VIN

7 SS

8 BST

RBST

3.3 Ω

CBST

1µF

CIN

2 x 10µF

(see note)

SC401B

LX 24

LX 23

PGND 22

PGND 21

PGND 20

PGND 19

PGND 18

PGND 17

LX PAD 3

PGOOD

L1

1µH

CFF

100pF

RFB1

10KΩ

RFB2

6.65KΩ

1.5V @ 15A, 300kHz

COUT

+

2 x 330µF

7.5mΩ

RGND

0

VOUT

2.2µF

Component

CIN (see note)

COUT

L1

Value

2 x 10µF/25V

2 x 220µF/15mΩ

1.0µH/3mΩ

Key Components

Manufacturer

Part Number

Murata

Sanyo

Cyntec

GRM32DR71E106KA12L

4TPE220MF

PIMB104T-1R0MS

NOTE: The quantity of 10µF input capacitors required varies with the application requirements.

Web

www.murata.com

www.edc.sanyo.com

www.cyntec.com



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