SC403

7

RTON

130KΩ

SC403

FB

1

VOUT

2

VDD

3

AGND

4

FBL

5

VIN

6

SOFT

7

BST

8

9 10 11

15 16

17

18

19

20

21

25

26

27

28

29

30

31

32

14

13

12

PAD 2

AGND

PAD 1

RILIM

8.06KΩ

RLDO2

75KΩ

RLDO1

425KΩ

CIN

2 x 10µF

(see note)

RGND

0

CBST

1µF

VIN

+12V

PGND

PGND

PGND

PGND

PGND

+

10nF

CFF

100pF

L1

1.5µH

VOUT

1.5V @ 6A, 300kHz

COUT

330µF

9mΩ

ENABLE/

PSAVE

ENABLE

LDO

PGOOD

1µF

Internal LDO Used as Bias

3.3nF

Component

Value

Manufacturer

Part Number

Web

CIN

2 x 10µF/25V

Murata

GRM32DR71E106KA12L

www.murata.com

Key Components

www.cyntec.com

L1

1.5µH/6.7mΩ

Cyntec

PCMB065T-1R5MS

COUT

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

www.panasonic.com

330µF/9mΩ

Panasonic

EEF-SX0E331ER

1µF

RFB2

10KΩ

RFB1

10KΩ

Detailed Application Circuit-1