TPS5140 datasheet(3/59 Pages) TI

Part #	TPS5140

Description	FOUR-CHANNEL DC/DC CONTROLLER FOR NOTEBOOK PC POWER

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Manufacturer	TI [Texas Instruments]

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TPS5140

FOUR-CHANNEL DC/DC CONTROLLER FOR NOTEBOOK PC POWER

SLVS305A – DECEMBER 2000 – REVISED JANUARY 2001

3

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

functional block diagram—whole block

SBRC Ch1

SBRC Ch2

SBRC Ch3

Phase

Inverter

Oscillator

Timer

12-V Boost

Converter

Ch4

5-V Switch

5-V Series

Regulator

50 mA

3.3-V Series

Regulator

Vref 1.185 V

OUT_12 V

REG5V_IN

VREF3.3

VREF5

VCC

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