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 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 7.5V

Output Voltage (Survival), (Note

6), (Note 7)

−0.3V to +6.0V

I

Short Circuit Protected

Maximum Voltage for ERROR

Pin

V

IN

Maximum Voltage for SENSE Pin

V

OUT

Operating Ratings

Input Supply Voltage (Note 11)

2.5V to 7.0V

Shutdown Input Voltage

−0.3V to 7.0V

Maximum Operating Current (DC)

3A

Junction Temperature

−40˚C to +125˚C

Electrical Characteristics

LP3853/LP3856

Limits in standard typeface are for T

Unless otherwise specified: V

Symbol

Parameter

Conditions

Typ

(Note

4)

LP3853/6 (Note 5)

Units

Min

Max

V

O

Output Voltage

Tolerance

(Note 8)

V

≤ V

IN

≤ 7.0V

10 mA

≤ I

L

≤ 3A

0

-1.5

-3.0

+1.5

+3.0

%

∆V

OL

Output Voltage Line

Regulation (Note 8)

V

≤ V

IN

≤ 7.0V

0.02

0.06

%

∆V

∆I

OUT

Output Voltage Load

Regulation

(Note 8)

10 mA

≤ I

L

≤ 3A

0.08

0.14

%

V

Dropout Voltage

(Note 10)

I

39

50

65

mV

I

390

450

600

I

GND

Ground Pin Current In

Normal Operation Mode

I

4

9

10

mA

I

4

9

10

I

GND

Ground Pin Current In

Shutdown Mode

V

SD

≤ 0.3V

0.01

10

µA

-40˚C

≤ T

J

≤ 85˚C

50

I

O(PK)

Peak Output Current

V

O

≥ V

4.5

A

Short Circuit Protection

I

SC

Short Circuit Current

6

A

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