6

LP3982

SNVS185F – FEBRUARY 2002 – REVISED APRIL 2017

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Copyright © 2002–2017, Texas Instruments Incorporated

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

(6)

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

VFAULT

FAULT detection voltage

VO ≥ 2.5 V, IOUT = 200 mA

(6)

120

mV

VOUT ≥ 2.5 V, IOUT = 200 mA

(6);

for operating temperature extremes:

−40°C to 85°C

280

FAULT output low voltage

ISINK = 2 mA

0.115

V

ISINK = 2 mA;

for operating temperature extremes:

−40°C to 85°C

0.25

IFAULT

FAULT off-leakage current

FAULT = 3.6 V, SHDN = 0 V

0.1

100

nA

TSD

Thermal shutdown temperature

160

°C

Thermal shutdown hysteresis

10

TON

Start-up time

COUT = 10 μF, VOUT at 90% of final

value

120

μs