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LM22671-Q1 Fiches technique(PDF) 3 Page - Texas Instruments |
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LM22671-Q1 Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 29 page Exposed Pad Connect to GND RT/SYNC 3 FB 4 BOOT 1 SS 2 8 SW 7 VIN 6 GND 5 EN LM22671, LM22671-Q1 www.ti.com SNVS589N – SEPTEMBER 2008 – REVISED NOVEMBER 2014 5 Pin Configuration and Functions HSOP Package 8-Pin Top View Pin Functions PIN TYPE DESCRIPTION APPLICATION INFORMATION NAME NO. BOOT 1 I Bootstrap input Provides the gate voltage for the high side NFET. Used to control regulator start-up and shut-down. See the EN 5 I Precision enable pin Precision Enable and UVLO section of data sheet. Connect to ground. Provides thermal connection to PCB. See EP EP — Exposed Pad the Application and Implementation. FB 4 Feedback pin Feedback input to regulator. GND 6 — System ground System ground pin. Used to control oscillator mode of regulator. See the Switching Oscillator frequency adjust pin or RT/SYNC 3 Frequency Adjustment and Synchronization section of data frequency synchronization sheet. Used to increase soft-start time. See the Soft-Start section of SS 2 Soft-start pin data sheet. SW 8 O Switch pin Switching output of regulator. VIN 7 I Source input voltage Supply input to the regulator. Copyright © 2008–2014, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM22671 LM22671-Q1 |
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