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SI9135LG-T1 Datasheet(PDF) 4 Page - Vishay Siliconix |
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SI9135LG-T1 Datasheet(HTML) 4 Page - Vishay Siliconix |
4 / 16 page www.vishay.com 4 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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