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SP6133 (10A MAX.)

Evaluation Board Manual

Easy Evaluation for the

SP6133ER1 12V Input, 0 to 10A

Output Synchronous Buck

Converter

Precision 0.80V,

鹵1%

High

Accuracy Reference

Small form factor

Feature Rich:

Single supply operation, Over-current

protection with auto-restart, Power Good

Output, Enable input, Fast transient

response, Short Circuit Shutdown Protection,

Programmable soft start.

SP6133EB SCHEMATIC

VIN

C1

VCC

DBST

BAT54WS

8 7 6 5

C2

22uF

16V

22uF

16V

12V

GND

16

15

14

CVCC

10uF

0805

1

2

3

4

GL

13

QT

CBST

0.1uF

GH

SWN

ISP

ISN

12

11

10

8 7 6 5

9

4

1 2 3

UVIN

VCC

VIN

BST

Si4394DY

9.75mOhm

GND3

PGND

GND

VFB

SP6133

PWRGD

EN

U1

C1, C2, C3, C4

CERAMIC 1210 X5R

R

3 Ohm

Cs

Rs3

C6

6.8nF

4

1 2 3

COMP

0.1uF NP

SS

Si4320DY

4mOhm

QB

L1 SC5018-2R7M

2.7uH, 15A, 4.1 mOhm

5

6

7

20.0k,1%

R3

8

CSS

47nF

VOUT

C3

100uF

6.3V

UVIN

R4

10.0k,1%

R5

PWRGD

10.0k,1%

0.01uF

Rs1

5.11K,1%

C4

100uF

6.3V

3.30V

0-10A

GND2

C5

EN

1

2

3

J1

PTC36SAAN

Rs2

5.11K,1%

CZ2

1,500pF

RZ2

23.2K,1%

CZ3

560pF

RZ3

1k,1%

R1

68.1k,1%

CP1

CF1

22pF

39pF

R2

21.5k,1%

Notes:

1) All resistors & capacitors size

0603 unless other wise specified

Rev 3/30/06

SP6133 Evaluation Manual

Copyright 2006 Sipex Corporation

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