If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Storage Temperature Range

−65˚C to +150˚C

Operating Junction Temperature Range

−40˚C to +125˚C

Lead Temp. (Soldering, 5 sec.)

260˚C

ESD Rating (Note 2)

2 kV

Power Dissipation (Note 3)

Internally Limited

Input Supply Voltage (Survival)

−0.3V to +16V

Input Supply Voltage (Operating)

2.5V to +16V

Shutdown Input Voltage (Survival)

−0.3V to +16V

Output Voltage (Survival, (Note 4))

−0.3V to +9V

I

Short Circuit

Protected

Input-Output Voltage (Survival,

−0.3V to +16V

(Note 5))

Electrical Characteristics

Limits in standard typeface are for T

less otherwise specified: V

Symbol

Parameter

Conditions

Typ

LP2978AI-X.X

LP2978I-X.X

Units

(Note 6)

(Note 6)

Min

Max

Min

Max

∆V

O

Output Voltage

Tolerance

I

−1.0

1.0

−1.5

1.5

%V

NOM

1mA

≤ I

−1.5

1.5

−2.5

2.5

−2.5

2.5

−3.5

3.5

Output Voltage

V

0.007

0.014

0.014

%/V

Line Regulation

0.032

0.032

V

Dropout Voltage

(Note 7)

I

1

3

3

mV

55

I

7

10

10

15

15

I

40

60

60

90

90

I

120

150

150

225

225

I

GND

Ground Pin Current

I

65

95

95

µA

125

125

I

75

110

110

170

170

I

120

220

220

400

400

I

350

600

600

1000

1000

V

0.01

0.8

0.8

V

0.05

2

2

V

ON/OFF

ON/OFF Input Voltage

(Note 8)

High = O/P ON

1.4

1.6

1.6

V

Low = O/P OFF

0.55

0.15

0.15

I

ON/OFF

ON/OFF Input Current

V

0.01

−2

−2

µA

V

5

15

15

e

n

Output Noise

BW = 300 Hz to 50 kHz,

Voltage (RMS)

C

30

µV

C

Ripple Rejection

f = 1 kHz, C

45

dB

C

I

Short Circuit Current

R

400

mA

I

Peak Output Current

V

350

mA

Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the

device outside of its rated operating conditions.

Note 2: The ESD rating of pins 3 and 4 is 1 kV.

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