TPS72011DRVT datasheet(4/25 Pages) TI

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TPS720xx

SBVS100D – JUNE 2008 – REVISED AUGUST 2009........................................................................................................................................................ www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

Over operating temperature range (TJ = –40°C to +125°C), VBIAS = (VOUT + 1.4V) or 2.5V (whichever is greater); VIN ≥ VOUT +

0.5V, IOUT = 1mA, VEN = 1.1V, COUT = 2.2µF, unless otherwise noted. Typical values are at TJ = +25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

f = 10Hz

f = 100Hz

VIN – VOUT ≥ 0.5V,

f = 1kHz

PSRR

VBIAS power-supply rejection ratio

VBIAS = VOUT + 1.4V,

f = 10kHz

IOUT = 350mA

f = 100kHz

f = 1MHz

BW = 10Hz to 100kHz, VBIAS ≥ 2.5V,

Output noise voltage

µV

RMS

VIN = VOUT + 0.5V

VBIAS = (VOUT +1.4V) or 2.5V (whichever is

100 +

IVIN_INRUSH

Inrush current on VIN

greater), VIN = VOUT + 0.5V

ILOAD

VOUT = 95% VOUT(NOM), IOUT = 350mA,

tSTR

Startup time

140

µs

COUT = 2.2µF

VEN(HI)

Enable pin high (enabled)

1.1

VEN(LO)

Enable pin low (disabled)

0.4

IEN

Enable pin current

VEN = 5.5V, VIN = 4.5V, VBIAS = 5.5V

1.0

µA

Undervoltage lockout

VBIAS rising

2.41

2.45

2.49

UVLO

Hysteresis

VBIAS falling

150

Shutdown, temperature increasing

+160

°C

TSD

Thermal shutdown temperature

Reset, temperature decreasing

+140

°C

Operating junction temperature

–40

+125

°C

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