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SI9135LG-T1-E3 Datasheet(PDF) 4 Page - Vishay Siliconix

Part # SI9135LG-T1-E3
Description  SMBus Multi-Output Power-Supply Controller
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SI9135LG-T1-E3 Datasheet(HTML) 4 Page - Vishay Siliconix

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Document Number: 70817
S11-0975-Rev. D, 16-May-11
Vishay Siliconix
Si9135
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 CONFIGURATION
CS3
FB3
FBFY
SSOP-28
DH3
BSTFY
LX3
DHFY
BST3
LXFY
DLFY
CSP
DL3
VIN
VL
Top View
25
26
27
28
2
3
4
1
22
23
24
5
6
7
CSN
FB5
GND
PGND
COMP
DL5
REF
BST5
SYNC
SCL
SDA
LX5
DH5
CS5
18
19
20
21
9
10
11
8
15
16
17
12
12
14
ORDERING INFORMATION
Part Number
Lead (Pb)-free
Part Number
Temperature
Range
VOUT
Si9135LG
0 to 90 °C
3.3 V, 5 V, 12 V
Si9135LG-T1
Si9135LG-T1-E3
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
SYNC
Oscillator synchronization inputs.
13
SCL
SMBUS clock line.
14
SDA
SMBUS data line.
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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