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 Temp. ( IR reflow, 10 sec.)

245˚C

Pad Temp. (IR reflow, 10 sec.)

245˚C

Operating Junction Temp. Range

−40˚C to +125˚C

Power Dissipation (Note 4)

Internally Limited

ESD Rating (Note 2)

1.5kV

Input Supply Voltage (Survival)

−0.3V to +16V

Input Supply Voltage (Operating)

2.1V to +16V

Shutdown Input Voltage (Survival)

−0.3V to +16V

Output Voltage (Survival) (Note 4)

I

Short Circuit Protected

Input-Output Voltage (Survival),

(Note 5)

−0.3V to + 16V

Electrical Characteristics

Limits in standard typeface are for T

range. Unless otherwise specified, V

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Operating Specifications

V

O

Output Voltage

Tolerance

I

−1.25

−3.0

1.25

3.0

%

∆V

∆V

IN

Line Regulation

V

0.08

%/V

∆V

∆I

LOAD

Load Regulation

V

−5

mV/V

(V

Dropout Voltage

(Note 7)

I

6

10

15

mV

I

100

125

180

I

240

290

425

Operating Currents

I

Q

Quiescent Current

Both Regulators ON

I

200

300

µA

I

1700

5000

One Regulator OFF

I

180

250

I

1000

2500

Both Regulators OFF

(Shutdown)

2

I

PEAK

Peak Output

Current

V

200

450

mA

Control Inputs (SD1, SD2)

V

Regulator ON

Control Input

Voltage

1.6

1.4

V

V

Regulator OFF

Control Input

Voltage

V

0.300

0.8

V

I

ON/OFF

Control Input

Current

V

V

−2

7

µA

Dynamic Characteristics

e

n

Output Noise

Voltage

C

100kHz

30

µV rms

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