TPS51117RGYTG4 datasheet(6/31 Pages) TI

Part #	TPS51117RGYTG4

Description	SINGLE SYNCHRONOUS STEP-DOWN CONTROLLER

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Manufacturer	TI [Texas Instruments]

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TPS51117

SLVS631B – DECEMBER 2005 – REVISED SEPTEMBER 2009...................................................................................................................................... www.ti.com

FUNCTIONAL BLOCK DIAGRAM

DETAILED DESCRIPTION

PWM OPERATION

The main control loop of the TPS51117 is designed as an adaptive on-time pulse width modulation (PWM)

controller. It supports proprietary D-CAP™ Mode that uses an internal compensation circuit and is suitable for

minimal external component count configuration when an appropriate amount of ESR at the output capacitor(s) is

allowed. Basic operation of D-CAP Mode can be described as follows.

6

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TPS51117RGYTG4 Datasheet(PDF) 6 Page - Texas Instruments

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