SC2446ITETRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC2446ITETRT

Dual-Phase Single or Two Output Synchronous Step-Down Controllers

Semtech Corporation 

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SC2446

POWER MANAGEMENT

Evaluation Board - Bill of Materials

Ref

Qty Reference

Part Number/Value

1

2 C1,C4

47uF, 16V, 70 mohm, PosCap

2

4 C2,C3,C6,C38

10uF, 16V, X5R, Ceramic 1206

3

2 C8,C12

680uF, 4V, PosCap

4

6 C9,C10,C11,

C13,C14,C15,

5

1 C16

100uF, 6.3V, Ceramic 1210

1uF, 16V, X5R , Ceramic 0805

6

2 C17,C18

0.33uF, 50V, X5R, 1206

7

2 C18,C19

2.2nF, Ceramic, 0805

8

2 C20,C21

22nF, Ceramic, 0805

9

4 C22,C24,C25,C26

10uF, 4V, X5R, Ceramic, 1206

10

2 C27,C28

68pF, Ceramic, 0805

11

3 C29,C34,C35

0.1uF, Ceramic, 0805

12

1 C30

1nF, Ceramic, 0805

13

1 C31

2.2nF, Ceramic, 0805

14

2 C32,C33

100nF, Ceramic, 0805

15

2 D1,D2

40V, 1A, Schottky

16

2 D7,D10

40V, 3A, Schottky

17

1 D11

6.2V, 500mW, 5%, Zener, SOD-

123

18

2 L1,L2

1.8uH, 14A, 3.3 mohm (1.8uH,

15.5A, 3.4 mohm)

19

6 Q2,Q3,Q5,Q6,Q7

30V, 16A, 8 mohm, 18nC, SO-8

20

2 RCS+1,RCS+2

49.9k, 0805

21

2 RCS-1,RCS-2

100k. 0805

22

4 R3,R4,R7,R8

1.0 ohm, 5%, 0805

23

2 R5,R6

20k, 0805

24

1 R9

3.40k, 1%, 0805

25

2 R10,R13

5.1, 0805

Manufacturer

Sanyo P/N: 16TPB47M

Taiyo Yuden P/N: EMK316BJ106MM

Sanyo P/N: 4TPB680M

TDK P/N: C3225XR5R0J107M

Taiyo Yuden P/N: EMK316BJ105MM

Vishay P/N: VJ1206Y334KXAAT

Any

Any

Taiyo Yuden P/N: AMK325BJ106MM

Any

Any

Any

Any

Any

General Semi. P/N: 1N5819M, MELF

or

Motorola P/N: MBRS140T3

Diodes Inc. P/N: B340A

ZMM5234B

Panasonic P/N: ETQP6F1R8BFA, or

Sumdia P/N: CEP1251R8MC-SJ

Vishay P/N: Si4860DY

Any

Any

Any

Any

Any

Any

 2004 Semtech Corp.

33

www.semtech.com

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