SC414/SC424

2

ENABLE PSAVE

FB

1

V5V

2

AGND

3

VOUT

4

VIN

5

VLDO

6

BST

7

8

9

10

11 12

13

14

LX

15

PGND

16

PGND

17

PGND

18

PGND

19

LX

20

LX

21

22

23

24

25

26

27

28

AGND

PAD 1

VIN

PAD 2

LX

PAD 3

RGND

0

PGOOD

RILIM

9.09K

Ω

RFB1

10K

Ω

L1

C3

100nF

+12V

ENABLE LDO

RTON

154K

Ω

+

COUT

220μF

C4

10nF

RFB2

30K

Ω

C1

C2

1μF

1V @ 6A, 250kHz

VIN

VOUT

RPGOOD

10K

Ω

V5V

CBST

1μF

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

Component

Value

Manufacturer

Part Number

Web

CIN

10μF/25V

Murata

GRM32DR71E106KA12L

www.murata.com

www.panasonic.com

COUT

220μF/15m

Ω/6.3V

Panasonic

EEFUE0J221R

www.vishay.com

L1

1.5μH/9A

Vishay

IHLP2525CZER1R5M01

Key Components

SC414/SC424

VOUT

V5V

1.5μH

FB

FB

VOUT

1μF

CIN

10μF

CIN

10μF

Typical Application Circuit