TPS51427 datasheet(3/41 Pages) TI

部件名	TPS51427

功能描述	DUAL D-CAP??SYNCHRONOUS STEP-DOWN CONTROLLER FOR NOTEBOOK POWER RAILS

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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RECOMMENDED OPERATING CONDITIONS

TPS51427

www.ti.com .............................................................................................................................................................. SLUS819A – APRIL 2008 – REVISED MAY 2008

Over operating free-air temperature range (unless otherwise noted).

MIN

TYP

MAX

UNIT

Supply input voltage range

V5DRV, V5FILT

4.5

5.5

V

Input voltage range

VBST1, VBST2

–0.1

34

VBST1, VBST2 (with regard to LLx)

–0.1

5.5

EN1, EN2, VOUT1, VFB1, REFIN2, TRIP1, TRIP2, SKIPSEL, TONSEL,

–0.1

5.5

ENLDO,VSW, LDOREFIN

VOUT2

–0.1

3.7

Output voltage range

DRVH1, DRVH2

–0.8

34

V

DRVH1, DRVH2 (w.r.t. LLx)

–0.1

5.5

LL1, LL2

–0.8

28

DRVL1, DRVL2, VREF2, PGOOD1, PGOOD2, LDO, VREF3

–0.1

5.5

PGND

–0.1

0.1

Operating free-air temperature, TA

–40

+85

°C

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