SI9136 datasheet(4/16 Pages) VISHAY

Part #	SI9136

Description	Multi-Output Power-Supply Controller

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Manufacturer	VISHAY [Vishay Siliconix]

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Document Number: 70818

S11-0975-Rev. D, 16-May-11

Vishay Siliconix

Si9136

This document is subject to change without notice.

THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

PIN DESCRIPTION

Pin Number

Symbol

Description

1

CS3

Current sense input for 3.3 V buck.

2

FBFY

Feedback for flyback.

3

BSTFY

Boost capacitor connection for flyback converter.

4

DHFY

Gate-drive output for flyback high-side MOSFET.

5

LXFY

Inductor connection for flyback converter.

6

DLFY

Gate-drive output for flyback low-side MOSFET.

7

CSP

Current sense positive input for flyback converter.

8

CSN

Current sense negative input for flyback converter.

9

GND

Analog ground.

10

COMP

Flyback compensation connection, if required.

11

REF

3.3 V internal reference.

12

12 ON/OFF

ON and OFF control input for 12 V flyback controller.

13

3.3 ON/OFF

ON and OFF control input for 3.3 V buck controller.

14

5 ON/OFF

ON and OFF control input for 5 V buck controller.

15

CS5

Current sense input for 5 V buck controller.

16

DH5

Inductor connection for buck 5 V.

17

LX5

Gate-drive output for 5 V buck high-side MOSFET.

18

BST5

Boost capacitor connection for 5 V buck converter.

19

DL5

Gate-drive output for 5 V buck low-side MOSFET.

20

PGND

Power ground.

21

FB5

Feedback for 5 V buck.

22

VL

5 V logic supply voltage for internal circuitry.

23

VIN

Input voltage

24

DL3

Gate-drive output for 3.3 V buck low-side MOSFET.

25

BST3

Boost capacitor connection for 3.3 V buck converter.

26

LX3

Inductor connection for 3.3 V buck low-side MOSFET.

27

DH3

Gate-drive output for 3.3 V buck high-side MOSFET.

28

FB3

Feedback for 3.3 V buck.

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