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CSD95377Q4MT Datasheet(PDF) 3 Page - Texas Instruments |
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CSD95377Q4MT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 20 page PWM 8 7 6 5 4 9 P GND 1 V IN SKIP# V SW V DD P GND BOOT BOOT_R 2 3 CSD95377Q4M www.ti.com SLPS584 – DECEMBER 2015 5 Pin Configuration and Functions SON 3.5 × 4.5 mm Top View Pin Functions PIN DESCRIPTION NO. NAME 1 SKIP# This pin enables the Diode Emulation function. When this pin is held Low, Diode Emulation Mode is enabled for the Sync FET. When SKIP# is High, the CSD95377Q4M operates in Forced Continuous Conduction Mode. A tri-state voltage on SKIP# puts the driver into a very-low power state. 2 VDD Supply voltage to Gate Drivers and internal circuitry 3 PGND Power ground, needs to be connected to Pin 9 and PCB 4 VSW Voltage switching node – pin connection to the output inductor 5 VIN Input voltage pin. Connect input capacitors close to this pin. 6 BOOT_R Bootstrap capacitor connection. Connect a minimum 0.1 µF 16 V X5R, ceramic capacitor from BOOT to BOOT_R pins. The bootstrap capacitor provides the charge to turn on the Control FET. The bootstrap diode is integrated. 7 BOOT Boot_R is internally connected to VSW. 8 PWM Pulse width modulated tri-state input from external controller. Logic Low sets Control FET gate low and Sync FET gate high. Logic High sets Control FET gate high and Sync FET gate Low. Open or High-Z sets both MOSFET gates low if greater than the Tri-State Shutdown Hold-off Time (t3HT) 9 PGND Power ground Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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