SC4612 Ver la hoja de datos (PDF) - Semtech Corporation

Número de pieza

componentes Descripción

Fabricante

SC4612

Wide Input Range High Performance Synchronous Buck Switching Controller

Semtech Corporation 

POWER MANAGEMENT

Application Information (Cont.)

Application Circuit 4: Vin = 5V; Vout = 1.35V @ 12A, Fsw = 1MHz.

R2

825k

U1

SC4612MLP

1

C2

82p

2

C3

0.1

3

ILIM

OSC

SS/EN

PHASE

12

DH 11

BST 10

C4 R3

1n 10k

4

EAO

DRV

9

C5

33p

5 FB

DL 8

C6

1

R5

8.87k

6 VDD

GND 7

R6

13.3k

C7

R7

510p 649

D1

SD107WS

Q1

HAT2168H

C8

2.2

Q2

HAT2168H

C9

100/6.3_1210_c er

Fsw=1MHz

C10

0.1

L1

0.47uH@15A

C11

100/6.3 _1210_c er

SC4612

+

Vin=5V

_

+

Vout=1.35@12A

_

Efficiency:

SC4612: 5Vin, 1.35Vout @ 12A

100%

98%

96%

94%

92%

90%

88%

86%

84%

82%

80%

0 1 2 3 4 5 6 7 8 9 10 11 12 13

Current, (A)

 2007 Semtech Corp.

20

www.semtech.com

Share Link: