Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Storage Temperature Range

−65˚C

≤ T

A

≤

+150˚C

Operating Temperature Range

LP2952I, LP2953I, LP2952AI,

LP2953AI, LP2952I-3.3,

LP2953I-3.3, LP2952AI-3.3,

LP2953AI-3.3

−40˚C

≤ T

J

≤ +125˚C

LP2953AM

−55˚C

≤ T

A

≤

+125˚C

Lead Temp. (Soldering, 5 seconds)

260˚C

Power Dissipation (Note 2)

Internally Limited

Maximum Junction Temperature

LP2952I, LP2953I, LP2952AI,

LP2953AI, LP2952I-3.3,

LP2953I-3.3, LP2952AI-3.3,

LP2953AI-3.3

+125˚C

LP2953AM

+150˚C

Input Supply Voltage

−20V to +30V

Feedback Input Voltage (Note 3)

−0.3V to +5V

Comparator Input Voltage (Note 4)

−0.3V to +30V

Shutdown Input Voltage (Note 4)

−0.3V to +30V

Comparator Output Voltage (Note

4)

−0.3V to +30V

ESD Rating (Note 15)

2 kV

operating temperature range. Limits are guaranteed by production testing or correlation techniques using standard Statistical

Quality Control (SQC) methods. Unless otherwise specified: V

4.7µF for 3.3V parts. Feedback pin is tied to V Tap pin, Output pin is tied to Output Sense pin.

3.3V Versions

Symbol

Parameter

Conditions

Typical

LP2952AI-3.3, LP2953AI-3.3

LP2952I-3.3, LP2953I-3.3

Units

Min

Max

Min

Max

V

O

Output Voltage

3.3

3.284

3.317

3.267

3.333

V

3.260

3.340

3.234

3.366

1mA

≤ I

L

≤ 250 mA

3.3

3.254

3.346

3.221

3.379

5V Versions

Symbol

Parameter

Conditions

Typical

LP2952AI, LP2953AI,

LP2952I, LP2953I

Units

LP2953AM (Note 17)

Min

Max

Min

Max

V

O

Output Voltage

5.0

4.975

5.025

4.950

5.050

V

4.940

5.060

4.900

5.100

1mA

≤ I

L

≤ 250 mA

5.0

4.930

5.070

4.880

5.120

All Voltage Options

Electrical Characteristics

Limits in standard typeface are for T

anteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless other-

wise specified: V

Tap pin, Output pin is tied to Output Sense pin.

Symbol

Parameter

Conditions

Typical LP2952AI, LP2953AI,

LP2952AI-3.3,

LP2953AI-3.3,

LP2953AM

(Notes 16, 17)

LP2952I, LP2953I,

LP2952I-3.3,

LP2953I-3.3

Units

Min

Max

Min

Max

REGULATOR

Output Voltage Temp.

Coefficient

(Note 5)

20

100

150

ppm/˚C

Output Voltage Line

Regulation

V

0.03

0.1

0.2

%

0.2

0.4

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