LP3982 datasheet(6/28 Pages) TI1

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LP3982

SNVS185E – FEBRUARY 2002 – REVISED OCTOBER 2015

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Electrical Characteristics (continued)

Unless otherwise specified, all limits are specified for VIN = VOUT + 0.5 V

(1), V

SHDN = VIN, CIN = COUT = 2.2 μF, CCC = 33 nF, TJ

= 25°C.

PARAMETER

TEST CONDITIONS

MIN(2)

TYP(3)

MAX(2)

UNIT

VO ≥ 2.5 V, IOUT = 200 mA

(6)

120

VOUT ≥ 2.5 V, IOUT = 200 mA

(6);

FAULT detection voltage

for operating temperature extremes:

280

−40°C to 85°C

VFAULT

ISINK = 2 mA

0.115

ISINK = 2 mA;

FAULT output low voltage

for operating temperature extremes:

0.25

−40°C to 85°C

IFAULT

FAULT off-leakage current

FAULT = 3.6 V, SHDN = 0 V

0.1

100

Thermal shutdown temperature

160

TSD

°C

Thermal shutdown hysteresis

COUT = 10 μF, VOUT at 90% of final

TON

Start-up time

120

μs

value

(6)

The FAULT detection voltage is specified for the input-to-output voltage differential at which the FAULT pin goes active low.

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