5

LP2981-28, LP2981-29, LP2981-30

LP2981-33, LP2981-50, LP2981A-28

LP2981A-29, LP2981A-30, LP2981A-33, LP2981A-50

www.ti.com

SLVS521G – JULY 2004 – REVISED AUGUST 2016

Product Folder Links: LP2981-28 LP2981-29 LP2981-30 LP2981-33 LP2981-50 LP2981A-28 LP2981A-29 LP2981A-

30 LP2981A-33 LP2981A-50

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Copyright © 2004–2016, Texas Instruments Incorporated

Electrical Characteristics: LP2981-xx (continued)

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

(2)

Ground pin current

25°C

65

95

µA

–40°C to 125°C

125

25°C

80

110

–40°C to 125°C

170

25°C

200

300

–40°C to 125°C

550

25°C

600

1000

–40°C to 125°C

1700

25°C

0.01

0.8

–40°C to 105°C

0.05

2

–40°C to 125°C

5

ON/OFF input

High = O/P ON

25°C

1.4

V

–40°C to 125°C

1.6

Low = O/P OFF

25°C

0.5

–40°C to 125°C

0.15

ON/OFF input

current

25°C

0.01

µA

–40°C to 125°C

–1

25°C

5

–40°C to 125°C

15

Peak output current

25°C

400

mA

Output noise voltage

(RMS)

BW = 300 Hz to 50 kHz,

25°C

160

µV

Ripple rejection

25°C

63

dB

Short-circuit current

25°C

150

mA

(1)

Dropout voltage is defined as the input-to-output differential at which the output voltage drops 100 mV below the value measured with a

biasing of LDO control circuitry.

6.6 Electrical Characteristics: LP2981A-xx

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output voltage

tolerance

25°C

–0.75

0.75

25°C

–1

1

–40°C to 125°C

–2.5

2.5

Output voltage line

regulation

25°C

0.007

0.014

%/V

–40°C to 125°C

0.032

25°C

1

3

mV

–40°C to 125°C

5

25°C

7

10

–40°C to 125°C

15

25°C

70

100

–40°C to 125°C

150

25°C

200

250

–40°C to 125°C

375