If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Operating Junction

Temperature Range

−40˚C to +125˚C

Storage Temperature Range

−65˚C to +150˚C

Lead Temperature

(Soldering, 5 Seconds)

260˚C

Power Dissipation (Note 2)

Internally Limited

Input Supply Voltage

−20V to +30V

Shutdown Input

−0.3V to +30V

ESD Rating

2 kV

Electrical Characteristics

Limits in standard typeface are for T

less otherwise specified: V

Symbol

Parameter

Conditions

Typical

LP2957AI

LP2957I

Units

Min

Max

Min

Max

V

O

Output Voltage

5.0

4.975

5.025

4.950

5.050

V

(Note 9)

4.940

5.060

4.900

5.100

1mA

≤ I

5.0

4.930

5.070

4.880

5.120

Output Voltage

Temperature

Coefficient

(Note 3)

20

100

150

ppm/˚C

Line Regulation

V

0.03

0.10

0.20

%

0.20

0.40

Load Regulation

I

0.04

0.16

0.20

%

I

(Note 4)

0.20

0.30

V

Dropout Voltage

I

60

100

100

mV

(Note 5)

150

150

I

240

300

300

420

420

I

310

400

400

520

520

I

470

600

600

800

800

I

GND

Ground Pin Current

I

150

200

200

µA

(Note 6)

230

230

I

1.1

2

2

mA

2.5

2.5

I

3

6

6

88

I

16

28

28

33

33

I

GND

Ground Pin Current

I

130

180

180

µA

in Shutdown (Note 6)

V

200

200

I

GND

Ground Pin Current

V

180

230

230

µA

at Dropout (Note 6)

I

250

250

I

O

Off-State Output

V

50

30

30

mA

(Sink)

Pulldown Current

V

20

20

I

O

Output Leakage

I

3

10

10

µA

(Off)

in Shutdown

V

20

20

I

LIMIT

Current Limit

R

400

500

500

mA

530

530

Thermal Regulation

(Note 7)

0.05

0.2

0.2

%/W

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