TPS715A datasheet(3/20 Pages) TI

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TPS715Axx

www.ti.com

SBVS047F – MAY 2004 – REVISED OCTOBER 2012

ELECTRICAL CHARACTERISTICS

Over operating junction temperature range (TJ = –40°C to +125°C), VIN = VOUT(NOM) + 1V, IOUT = 1mA, COUT = 1μF, unless

otherwise noted. The TPS715A01 is tested with VOUT = 2.8V. Typical values are at TJ = +25°C.

TPS715Axx

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IOUT = 10mA

2.5

Input voltage(1)

VIN

IOUT = 80mA

Voltage range

VOUT

1.2

(TPS715A01)

VOUT + 1.0V ≤ VIN ≤ 24V,

0.96 ×

1.04 ×

TPS715A01

VOUT(nom)

1.2V

≤ VOUT ≤ 15V, 0 ≤ IOUT ≤ 80mA

VOUT(nom)

Output voltage accuracy(1)

TPS715A33

4.3V < VIN < 24V, 0 ≤ IOUT ≤ 80mA

3.135

3.3

3.465

Output voltage

ΔVOUT/ΔVIN

VOUT + 1V < VIN ≤ 24V

line regulation(1)

Load regulation

ΔVOUT/ΔIOUT

IOUT = 100μA to 80mA

Dropout voltage

VDO

IOUT = 80mA

670

1120

VIN = VOUT(NOM) – 0.1V

Output current limit

ICL

VOUT = 0V

160

1100

TJ = –40°C to +85°C, 0mA ≤ IOUT ≤ 80mA

3.2

4.2

Ground pin current

IGND

0mA

≤ IOUT ≤ 80mA

3.2

4.8

μA

VIN = 24V, 0mA ≤ IOUT ≤ 80mA

5.8

Power-supply ripple

PSRR

f = 100kHz, COUT = 10μF

rejection

BW = 200Hz to 100kHz,

Output noise voltage

VIN

575

μVrms

COUT = 10μF, IOUT = 50mA

(1)

Minimum VIN = VOUT + VDO, or the value shown for Input voltage, whichever is greater.

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