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 seconds

260˚C

ESD Rating

Human Body Model (Note 2)

Power Dissipation (Note 3)

Internally Limited

V

−0.3V to +6.0V

V

−0.3V to +6.0V

V

−0.3V to +6.0V

V

−0.3V to +6.0V

I

Internally Limited

Junction Temperature

−40˚C to +150˚C

Operating Ratings(Note 1)

V

(V

V

3.0V to 5.5V

V

0.0V to V

BIAS

I

OUT

0 mA to 3.0A

Junction Temperature

Range(Note 3)

−40˚C to +125˚C

C

over the junction temperature (T

sign, or statistical correlation. Typical values represent the most likely parametric norm at T

erence purposes only.

Symbol

Parameter

Conditions

MIN

TYP

MAX

Units

V

OUT

Output Voltage Tolerance

V

≤ V

IN

≤ V

3.0V

≤ V

BIAS

≤ 5.5V,

10 mA

≤ I

OUT

≤ 3.0A

-1.0

-3.0

0.0

+1.0

+3.0

%

V

≤ V

IN

≤ V

3.0V

≤ V

BIAS

≤ 5.5V,

10 mA

≤ I

OUT

≤ 3.0A,

0˚C

≤ T

J

≤ 125˚C

-2.0

0

+2.0

∆V

∆V

IN

Line Regulation, V

IN

(Note 4)

V

≤ V

IN

≤ V

BIAS

-

0.04

-

%/V

∆V

∆V

BIAS

Line Regulation, V

BIAS

(Note 4)

3.0V

≤ V

BIAS

≤ 5.5V

-

0.10

-

%/V

∆V

∆I

OUT

Output Voltage Load Regulation

(Note 5)

10 mA

≤ I

OUT

≤ 3.0A

-

0.2

-

%/A

V

DO

Dropout Voltage

V

(Note 6)

I

-

240

300

450

mV

I

GND(IN)

Ground Pin Current Drawn from

V

LP38856-0.8

10 mA

≤ I

OUT

≤ 3.0A

-

7.0

8.5

9.0

mA

LP38856-1.2

10 mA

≤ I

OUT

≤ 3.0A

-11

12

15

V

EN

≤ 0.5V

-

1.0

10

300

µA

I

GND(BIAS)

Ground Pin Current Drawn from

V

10 mA

≤ I

OUT

≤ 3.0A

-

3.0

3.8

4.5

mA

V

EN

≤ 0.5V

-

100

170

200

µA

UVLO

Under-Voltage Lock-Out

Threshold

V

functional

2.20

2.00

2.45

2.70

2.90

V

UVLO

(HYS)

Under-Voltage Lock-Out

Hysteresis

V

threshold until device is

non-functional

60

50

150

300

350

mV

I

SC

Output Short-Circuit Current

V

V

-

6.2

-

A

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