TLV117118DCYR datasheet(3/18 Pages) TI

3 / 18 page

TLV1171

www.ti.com

SBVS177 – APRIL 2012

ELECTRICAL CHARACTERISTICS

At TA = +25°C, VIN = VOUT(TYP) + 1.5 V, IOUT = 10 mA, and COUT = 1.0 μF, unless otherwise noted.

TLV1171

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage range

2.0

5.5

VOUT > 2 V

–1.5

+1.5

VOUT

DC output accuracy

1.5 V

≤ VOUT < 2 V

–2

1.2 V

≤ VOUT < 1.5 V

–40

+40

ΔVO/ΔVIN

Line regulation

VOUT(NOM) + 0.5 V ≤ VIN ≤ 5.5 V, IOUT = 10 mA

ΔVO/ΔIOUT

Load regulation

0 mA

≤ IOUT ≤ 1 A

IOUT = 200 mA

115

IOUT = 500 mA

285

VOUT < 3.3 V

IOUT = 800 mA

455

IOUT = 1 A

570

800

VDO

Dropout voltage(1)

VIN = 0.98 x VOUT(NOM)

IOUT = 200 mA

IOUT = 500 mA

230

VOUT ≥ 3.3 V

IOUT = 800 mA

365

IOUT = 1 A

455

700

ICL

Output current limit

VOUT = 0.9 × VOUT(NOM)

1.1

Quiescent current

IOUT = 0 mA

100

µA

PSRR

Power-supply rejection ratio

VIN = 3.3 V, VOUT = 1.8 V, IOUT = 500 mA, f = 100 Hz

Output noise voltage

BW = 10 Hz to 100 kHz, VIN = 2.8 V, VOUT = 1.8 V, IOUT = 500 mA

µVRMS

tSTR

Startup time(2)

COUT = 1.0 µF, IOUT = 1 A

100

µs

UVLO

Undervoltage lockout

VIN rising

1.95

Shutdown, temperature increasing

+165

°C

Thermal shutdown

TSD

temperature

Reset, temperature decreasing

+145

°C

Operating junction

–40

+125

°C

temperature

(1)

VDO is measured for devices with VOUT(NOM) = 2.5 V so that VIN = 2.45 V.

(2)

Startup time is the time from when VIN asserts to when output is sustained at a value greater than or equal to 0.98 × VOUT(NOM).

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