LM7818T Просмотр технического описания (PDF) - HTC Korea

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производитель

LM7818T

FIXED VOLTAGE REGULATOR

HTC Korea 

FIXED VOLTAGE REGULATOR

LM7818

LM7818 ELECTRICAL CHARACTERISTICS

(Refer to test circuit, TMIN<TJ<TMAX, Io=500㎃, VI=27V, CI=0.33㎌, Co=0.1㎌, unless otherwise specified)

Characteristic

Symbol

Test condition

TJ=25℃

Output Voltage

Vo

5.0㎃≤Io≤1.0A, PD≤15W

VI=21V to 33V

Line Regulation

△Vo TJ=25℃ VI=21V to 33V

VI=24V to 30V

Load Regulation

△Vo TJ=25℃ Io=5㎃ to 1.5A

Io=250㎃ to 750㎃

Quiescent Current

IQ

TJ=25℃

Io=5㎃ to 1A

Quiescent Current Change △IQ

VI=21V to 33V

VI=22V to 33V

Output Voltage Drift

△Vo/△T

Io=5㎃

Output Noise Voltage

VN

f=10Hz to 100Khz, TA=25℃

Ripple

RR

f=120Hz

Rejection

VI=22V to 32V

Dropout Voltage

VD

Io=1A, TJ=25℃

Peak Current

IPK

TJ=25℃

Output Resistance

Ro

f=1KHz

Short Circuit Current

ISC

VI=35V, TA=25℃

Min.

17.3

17.1

53

Typ.

18

18.0

15

5

15

5

5.2

-1

110

69

2

2.2

22

250

Max. Unit

18.7

18.9

V

360

㎷

180

360

㎷

180

8

㎃

0.5

1

㎃

㎷/℃

㎶

㏈

V

A

㏁

㎃

Notes

* TMIN<TJ<TMAX

LM78XX ; TMIN=0℃, TMAX=125℃

* Load and line regulation are specified at constant junction temperature. Changes in Vo due to

heating effects must be taken into account separately. Pulse testing with low duty is used.

HTC

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