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SI9130LG Datasheet(PDF) 7 Page - Vishay Siliconix |
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SI9130LG Datasheet(HTML) 7 Page - Vishay Siliconix |
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7 / 13 page  CS3 FB3 SS3 SSOP-28 DH3 ON3 LX3 NC BST3 NC NC 3.6ADJ DL3 V+ VL Top View 25 26 27 28 2 3 4 1 22 23 24 5 6 7 3.45ADJ FB5 GND PGND REF DL5 SYNC BST5 SHDN ON5 SS5 LX5 DH5 CS5 18 19 20 21 9 10 11 8 15 16 17 12 13 14 Si9130 Vishay Siliconix Document Number: 70190 S-40805—Rev. F, 26-Apr-04 www.vishay.com 7 PIN CONFIGURATION AND DESCRIPTION Ordering Information Standard Part Number Lead (Pb)-Free Part Number Temperature Range VOUT Si9130CG 0 to 70_C Si9130CG-T1 Si9130CG-T1—E3 0 to 70_C 5 V and 3.3 V Si9130LG 10 to 90_C 5 V and 3.3 V 3.45 V or 3.6 V Si9130LG-T1 Si9130LG-T1—E3 −10 to 90_C Demo Board Temperature Range Board Type Si9130DB 0 to 70_C Surface Mount Pin Symbol Description 1 CS3 Current-sense input for 3.3-V Buck controller—this pins over current threshold is 100 mV with respect to FB3. 2 SS3 Soft-start input for 3.3 V. Connect capacitor from SS3 to GND. 3 ON3 ON/OFF logic input disables the 3.3-V Buck controller. Connect directly to VL for automatic turn-on. 4 NC Not internally connected. 5 NC Not internally connected. 6 NC Not internally connected. 7 3.6ADJ Control input to select 3.6-V output. See Voltage Selection Table for input and output combinations. 8 3.45ADJ Control input to select 3.45-V output. See Voltage Selection Table for input and output combinations. 9 GND Analog ground. 10 REF 3.3-V reference output. Supplies external loads up to 5 mA. 11 SYNC Oscillator control/synchronization input. Connect capacitor to GND, 1-mF/mA output or 0.22 mF minimum. For external clock synchronization, a rising edge starts a new cycle to start. To use internal 200-kHz oscillator, connect to VL or GND. For 300-kHz oscillator, connect to REF. 12 SHDN Shutdown logic input, active low. Connect to VL for automatic turn-on. The 5-V VL supply will not be disabled in shutdown allowing connection to SHDN. 13 ON5 ON/OFF logic input disables the 5-V Buck Controller. Connect to VL for automatic turn-on. 14 SS5 Soft-start control input for 5-V Buck controller. Connect capacitor from SS5 to GND. 15 CS5 Current-sense input for 5-V Buck controller—this pins over current threshold is 100 mV referenced to FB3. 16 DH5 Gate-drive output for the 5-V supply high-side n-channel MOSFET. 17 LX5 Inductor connection for the 5-V supply. 18 BST5 Boost capacitor connection for the 5-V supply. 19 DL5 Gate-drive output for the 5-V supply rectifying n-channel MOSFET. 20 PGND Power Ground. 21 FB5 Feedback input for the 5-V Buck controller. 22 VL 5-V logic supply voltage for internal circuitry—able to source 5-mA external loads. VL remains on with valid voltage at V+. 23 V+ Supply voltage input. 24 DL3 Gate-drive output for the 3.3-V supply rectifying n-channel MOSFET. 25 BST3 Boost capacitor connection for the 3.3-V supply. 26 LX3 Inductor connection for the 3.3-V supply. 27 DH3 Gate-drive output for the 3.3-V supply high-side n-channel MOSFET. 28 FB3 Feedback input for the 3.3-V Buck controller. |
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