10

 2007 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC2621A

Applications Information (Cont.)

TTTTTypical Application Schematics f

ypical Application Schematics f

ypical Application Schematics f

ypical Application Schematics f

ypical Application Schematics for PCI-Express with 12V In

or PCI-Express with 12V In

or PCI-Express with 12V In

or PCI-Express with 12V In

or PCI-Express with 12V Input

put

put

put

put

Bill of Materials (12V Input)

Bill of Materials (12V Input)

Bill of Materials (12V Input)

Bill of Materials (12V Input)

Bill of Materials (12V Input)

R12

2k

U1

SC2621A

1

2

3

4

10

11

12

14

5

13

6

7

9

8

BST

OCS

COMP

FB

DRV

DL

GND

DH

LDOG

PN

LDFB

NC

NC

VCC

R6

301

0

1800uF

R10

14.7k

R15

11.5k

Q3

IPD05N03

R1

2R2

0

0

C6

2.2nF

C12

2.2nF

0

R9

1R0

C11

1uF

R13

7.32k

2.5V/2A

1800uF

L1

1.2uH

1

2

1800uF

Q1

IPD05N03

C15

680pF

R4

499k

C5

1uF

+

C8

560uF

1.5V/15A

0

C9

10uF

C13

1uF

Q2

SPD14N06

R11

8k

C1

10uF

12V

C14

10nF

3.3V

0

D1

D1N4148

R3

3.3k

Item

Quantity

Reference

Part

Vendor

1

1

C1

10uF/16V

Vishay

2

1

C9

10uF/6.3V

Vishay

3

1

C4

1800uF/16V

Rubycon, MBZ

4

2

C7,C10

1800uF/6.3V

Rubycon, MBZ

5

3

C5,C11,C13

1uF

Vishay

6

1

C6

2.2nF

Vishay

7

1

C8

560uF

Sanyo

81

C12

2.2nF

Vishay

91

C14

10nF

Vishay

10

1

C15

680pF

Vishay

11

1

D1

D1N4148

Any

12

1

L1

1.2uH

Cooper Electr. Tech

13

2

Q3,Q1

IPD05N03

Infineon

14

1

Q2

SPD14N06

Infineon

15

1

R1

2R2

Vishay

16

1

R3

3.3k

Vishay

17

1

R4

499k

Vishay

18

1

R6

301

Vishay

19

1

R9

1R0

Vishay

20

1

R10

14.7k

Vishay

21

1

R11

8k

Vishay

22

1

R12

2k

Vishay

23

1

R13

7.32k

Vishay

24

1

R15

11.5k

Vishay

25

1

U1

SC2621A

SEMTECH