SC4603(2004) データシートの表示（PDF） - Semtech Corporation

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SC4603
(Rev.:2004)

Very Low Input, MHz Operation, High Efficiency Synchronous Buck

Semtech Corporation 

POWER MANAGEMENT

Bill of Materials - 3.3V to 1.5V @ 5A

Item

Qty

Reference

Value

1

1

C1

150pF

2

1

C2

820pF

3

1

C3

4.7uF

4

1

C7

150uF

5

1

C9

820pF

6

3

C10,C11,C4

22uF, 1210

7

1

C14

33nF

8

1

L1

1.1uH

9

1

M1

MOSFET P, S0-8

10

1

M2

MOSFET N, S0-8

11

1

RT

21k

12

1

R1

20k

13

1

R2

3.32k

14

1

R7

13k

15

1

R8

604

16

2

R5,R6

1

17

1

R15

1

18

1

R3

2.94k

19

1

R9

6.49k

20

1

U1

SC4603

Key components:

U1: SC4603, Semtech

M1: FDS 6375, SO-8, Fairchild

M2: FDS 6680A, SO-8, Fairchild

L1: SMT power inductor, 1.1uH ETQP6F1R1H, Panasonic.

Unless specified, all resistors and capacitors are in SMD 0603 package.

Resistors are +/-1% and all capacitors are +/-20%

SC4603

Part No./Manufacturer

Panasonic. P/N: 6.3V, SP

TDK P/N: C3225X5R0J226M

Fairchild P/N: FDS 6375

Fairchild P/N: FDS 6680A

Semtech P/N: SC4603IMSTRT

 2004 Semtech Corp.

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