TPS72011DRVT datasheet(6/33 Pages) TI1

6 / 33 page

TPS720

SBVS100E – JUNE 2008 – REVISED SEPTEMBER 2015

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Electrical Characteristics (continued)

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

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

f = 10 Hz

f = 100 Hz

VIN – VOUT ≥ 0.5 V,

f = 1 kHz

PSRR

VBIAS power-supply rejection ratio

VBIAS = VOUT + 1.4 V,

f = 10 kHz

IOUT = 350 mA

f = 100 kHz

f = 1 MHz

BW = 10 Hz to 100 kHz, VBIAS ≥ 2.5 V,

Output noise voltage

μVRMS

VIN = VOUT + 0.5 V

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

100 +

IVIN_INRUSH

Inrush current on VIN

greater), VIN = VOUT + 0.5 V

ILOAD

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

tSTR

Start-up time

140

μs

COUT = 2.2 μF

VEN(HI)

Enable pin high (enabled)

1.1

VEN(LO)

Enable pin low (disabled)

0.4

IEN

Enable pin current

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

μA

Undervoltage lockout

VBIAS rising

2.41

2.45

2.49

UVLO

Hysteresis

VBIAS falling

150

Shutdown, temperature increasing

160

TSD

Thermal shutdown temperature

°C

Reset, temperature decreasing

140

Operating junction temperature

–40

125

°C

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