LM1403 datasheet(2/6 Pages) NSC

2 / 6 page

Absolute Maximum Ratings (Note 7)

If MilitaryAerospace specified devices are required

please contact the National Semiconductor Sales

OfficeDistributors for availability and specifications

Input Voltage

40V

Power Dissipation

600 mW

Output Short-Circuit Duration

Continuous

Storage Temperature Range

60 Cto a150 C

Operating Temperature Range

0 Cto a70 C

Lead Temperature (Soldering 10 sec)

260 C

ESD rating to be determined

Electrical Characteristics (Note 1)

LM1403 LM1403A

Tested

Design

Units

Parameter

Conditions

Typical

Limit

(Max Unless

(Note 2)

(Note 3)

Noted)

VOUT

2500

VOUT Error LM1403

005

LM1403A

004

Line Regulation

45V s VIN s 40V

Load Regulation (Note 8)

0 mA s ISOURCE s 10 mA

Thermal Regulation

T e 20 ms (Note 4)

0005

002

%100 mW

Quiescent Current

IL e 0 mA

0350

150

Change of Quiescent Current vs VIN

50V s VIN s 30V

Temperature Coefficient

of VOUT (see graph) LM1403A

0 C s TA s 70 C

ppm C

(Note 5)

LM1403

0 C s TA s 70 C

ppm C

Short Circuit Current

VOUT e 0

100

Noise

01 Hz – 10 Hz

Vp-p

100 Hz – 10 kHz

420

0Hz

Note 1

Unless otherwise noted these specifications apply TA e 25 C 49V s VIN s 155V 0 s ILOAD s 05 mA 0s CL s 200 pF

Note 2

Tested Limits are guaranteed and 100% tested in production

Note 3

Design Limits are guaranteed (but not 100% production tested) over the indicated temperature and supply voltage ranges These limits are used to

calculate outgoing quality levels

Note 4

Thermal Regulation is defined as the change in the output Voltage at a time T after a step change in power dissipation of 100 mW

Note 5

Temperature Coefficient of VOUT is defined as the worst case delta-VOUT measured at Specified Temperatures divided by the total span of the Specified

Temperature Range (See graphs) There is no guarantee that the Specified Temperatures are exactly at the minimum or maximum deviation

Note 6

Thermal Resistance is 160 CW junction to ambient soldered into a PC board

Note 7

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur DC and AC electrical specifications do not apply when operating

the device beyond its Rated Operating Conditions (see Note 1 and Conditions)

Note 8

Load regulation is measured on the output pin at a point

below the base of the package Regulation is measured at constant junction temperature

using pulse testing with a low duty cycle Changes in output voltage due to heating effects are covered under the specification for thermal regulation

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