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

Lead Temperature

(Soldering, 5 sec.)

260˚C

ESD Rating (Note 3)

2 kV

Power Dissipation (Note 2)

Internally Limited

Input Supply Voltage (Survival)

−0.3V to +7.5V

Shutdown Input Voltage (Survival)

−0.3V to V

Output Voltage (Survival), (Note

6), (Note 7)

−0.3V to +7.5V

I

Short Circuit Protected

Maximum Voltage for ERROR Pin

V

Maximum Voltage for SENSE Pin

V

Operating Ratings

Input Supply Voltage (Operating)

2.5V to 7.0V

Shutdown Input Voltage

(Operating)

−0.3V to V

Maximum Operating Current

(DC)

3A

Operating Junction Temp. Range

−40˚C to +125˚C

Electrical Characteristics

LP3963/LP3966

Limits in standard typeface are for T

range. Unless otherwise specified: V

Symbol

Parameter

Conditions

Typ(Note

4)

LP3963/6 (Note 5)

Units

Min

Max

V

O

Output Voltage

Tolerance

(Note 8)

V

7.0V

0

-1.5

-3.0

+1.5

+3.0

%

∆V

OL

Output Voltage Line

Regulation (Note 8)

V

7.0V,

0.02

0.06

%

∆V

∆I

OUT

Output Voltage Load

Regulation

(Note 8)

0.06

0.01

%

V

V

OUT

Dropout Voltage

(Note 10)

I

80

100

120

mV

I

800

1000

1200

I

GND

Ground Pin Current In

Normal Operation

Mode

I

5

9

10

mA

I

6

14

15

I

GND

Ground Pin Current In

Shutdown Mode

(Note 11)

V

15

25

75

µA

I

O(PK)

Peak Output Current

(Note 2)

4.5

4

3.5

A

SHORT CIRCUIT PROTECTION

I

SC

Short Circuit Current

5.5

A

OVER TEMPERATURE PROTECTION

Tsh(t)

Shutdown Threshold

165

˚C

Tsh(h)

Thermal Shutdown

Hysteresis

10

˚C

SHUTDOWN INPUT

V

SDT

Shutdown Threshold

Output = High

V

IN

V

V

Output = Low

0

0.2

T

dOFF

Turn-off delay

I

20

µs

T

dON

Turn-on delay

I

25

µs

I

SD

SD Input Current

V

1nA

V

T

Threshold

(Note 9)

10

516

%

V

TH

Threshold Hysteresis

(Note 9)

5

28

%

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