SI9136_11 Datasheet, PDF (4/16 Pages) Vishay Siliconix – Multi-Output Power-Supply Controller

Si9136
Vishay Siliconix
PIN DESCRIPTION
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Symbol
CS₃
FBFY
BSTFY
DHFY
LXFY
DLFY
CSP
CSN
GND
COMP
REF
12 ON/OFF
3.3 ON/OFF
5 ON/OFF
CS₅
DH5
LX₅
BST₅
DL5
PGND
FB₅
V_L
V_IN
DL3
BST₃
LX₃
DH3
FB₃
Description
Current sense input for 3.3 V buck.
Feedback for flyback.
Boost capacitor connection for flyback converter.
Gate-drive output for flyback high-side MOSFET.
Inductor connection for flyback converter.
Gate-drive output for flyback low-side MOSFET.
Current sense positive input for flyback converter.
Current sense negative input for flyback converter.
Analog ground.
Flyback compensation connection, if required.
3.3 V internal reference.
ON and OFF control input for 12 V flyback controller.
ON and OFF control input for 3.3 V buck controller.
ON and OFF control input for 5 V buck controller.
Current sense input for 5 V buck controller.
Inductor connection for buck 5 V.
Gate-drive output for 5 V buck high-side MOSFET.
Boost capacitor connection for 5 V buck converter.
Gate-drive output for 5 V buck low-side MOSFET.
Power ground.
Feedback for 5 V buck.
5 V logic supply voltage for internal circuitry.
Input voltage
Gate-drive output for 3.3 V buck low-side MOSFET.
Boost capacitor connection for 3.3 V buck converter.
Inductor connection for 3.3 V buck low-side MOSFET.
Gate-drive output for 3.3 V buck high-side MOSFET.
Feedback for 3.3 V buck.
www.vishay.com
Document Number: 70818
4
S11-0975-Rev. D, 16-May-11
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