TPS54341_15 datasheet(6/48 Pages) TI

Part #	TPS54341

Description	4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start and Eco-mode?

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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6 / 48 page

TPS54341

SLVSC61 – NOVEMBER 2013

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

TJ = –40°C to 150°C, VIN = 4.5 to 42 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SS/TR-to-FB matching

VSS/TR = 0.4 V

SS/TR-to-reference crossover

98% nominal

1.16

SS/TR discharge current (overload)

FB = 0 V, VSS/TR = 0.4 V

354

µA

SS/TR discharge voltage

FB = 0 V

POWER GOOD (PWRGD PIN)

FB threshold for PWRGD low

FB falling

FB threshold for PWRGD high

FB rising

FB threshold for PWRGD low

FB rising

108

FB threshold for PWRGD high

FB falling

106

Hysteresis

FB falling

2.5

Output high leakage

VPWRGD = 5.5 V, TA = 25°C

On resistance

IPWRGD = 3 mA, VFB < 0.79 V

Minimum VIN for defined output

VPWRGD < 0.5 V, IPWRGD = 100 µA

0.9

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