LM78L08F datasheet(13/13 Pages) HTC

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FIXED VOLTAGE REGULATOR

LM78L24

LM78L24 ELECTRICAL CHARACTERISTICS

(At specified virtual junction temperature, VI=32V, IO=40㎃ (unless otherwise noted)

Characteistic

Symbol

Test condition *

Min.

Typ.

Max.

Unit

Output voltage **

VOUT

25℃

1㎃≤IO≤40㎃

0℃ ∼ 125℃

22.8

25.2

26.5V≤VI≤39V

1㎃≤IO≤70㎃

22.8

25.2

Line regulation

Reg line

26.5V≤VI≤39V

25℃

480

㎷

29V≤VI≤39V

400

Load regulation

Reg load

1㎃≤IO≤100㎃

25℃

240

㎷

1㎃≤IO≤40㎃

120

Bias current

25℃

4.8

6.5

㎃

125℃

Bias current change

△IB

28V≤VI≤39V

0℃ ∼ 125℃

1.5

㎃

1㎃≤IO≤40㎃

0.1

Output noise voltage

10Hz≤f≤100kHz

25℃

㎶

Ripple rejection

27.5V≤VI≤37.5V

f=120Hz

25℃

㏈

Dropout voltage

25℃

1.7

Notes

*. Pulse testing techniques are used to maintain the junction temperature as close to the

ambient temperature as possible.

Thermal effects must be taken into account separately.

All characteristics are measured with a 0.33㎌ capacitor across the input and a 0.1㎌

capacitor across the output.

**. This specification applies only for DC power dissipation permitted by absolute maximum

ratings.

Mar. 2006 - Rev 06

HTC

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