TLV71209DBVT datasheet(3/24 Pages) TI1

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TLV712xx

www.ti.com

SBVS150A – SEPTEMBER 2010 – REVISED JANUARY 2011

ELECTRICAL CHARACTERISTICS

At VIN = 2.0 V, IOUT = 10 mA, VEN = 0.9 V, COUT = 1.0 mF, and TJ = –40°C to +125°C, unless otherwise noted. Typical values

are at TJ = +25°C.

SPACE

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage range

2.0

5.5

VOUT

DC output accuracy

–20

+20

ΔVO/ΔVIN

Line regulation

2 V

≤ VIN ≤ 5.5 V,

ΔVO/ΔIOUT

Load regulation

0 mA

≤ IOUT ≤ 300 mA

ICL

Output current limit

VOUT = 0.9 × VOUT(NOM)

320

500

860

IOUT = 0 mA

IGND

Ground pin current

IOUT = 300 mA

370

VEN ≤ 0.4 V

400

ISHDN

Ground pin current (shutdown)

VEN ≤ 0.4 V, 2.0 V ≤ VIN ≤ 4.5 V,

TJ = –40°C to +85°C

PSRR

Power-supply rejection ratio

f = 1 kHz

BW = 100 Hz to 100 kHz,

Output noise voltage

mVRMS

VOUT = 0.7 V

tSTR

Startup time(1)

IOUT = 300 mA

100

VEN(HI)

Enable pin high (enabled)

0.9

VIN

VEN(LO)

Enable pin low (disabled)

0.4

IEN

Enable pin current

VIN = VEN = 5.5 V

0.04

UVLO

Undervoltage lockout

VIN rising

1.9

Active pull-down resistance

RDISCHARGE

VEN = 0 V

120

(TLV712xxP only)

Shutdown, temperature increasing

+165

°C

TSD

Thermal shutdown temperature

Reset, temperature decreasing

+145

°C

Operating junction temperature

–40

+125

°C

(1)

Startup time = time from EN assertion to 0.98 × VOUT(NOM).

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