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LM22677 Datasheet(PDF) 3 Page - Texas Instruments |
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LM22677 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 28 page Exposed Pad Connect to GND 5 RT/SYNC 6 FB 3 BOOT 1 SW 2 VIN 4 GND 7 EN LM22677, LM22677-Q1 www.ti.com SNVS582O – SEPTEMBER 2008 – REVISED AUGUST 2015 5 Pin Configuration and Functions NDR Package 7-Pin TO-263 Top View Pin Functions PIN TYPE(1) DESCRIPTION APPLICATION INFORMATION NAME NO. SW 1 O Switch output Switching output of regulator VIN 2 I Input voltage Supply input to the regulator BOOT 3 I Bootstrap input Provides the gate voltage for the high side N-FET Ground input to GND 4 — regulator; system System ground pin common Oscillator mode control Used to control oscillator mode of regulator. See Switching Frequency RT/SYNC 5 I input Adjustment and Synchronization section of data sheet. FB 6 I Feedback input Feedback input to regulator Used to control regulator start-up and shutdown. See Precision Enable EN 7 I Enable input and UVLO section of data sheet. Connect to ground. Provides thermal connection to PCB. See EP EP — Exposed Pad Applications and Implementation. (1) O = Output, I = Input, G = Ground, P = Power Copyright © 2008–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM22677 LM22677-Q1 |
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