LM7818RS 查看數據表（PDF） - HTC Korea

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LM7818RS

FIXED VOLTAGE REGULATOR

HTC Korea 

FIXED VOLTAGE REGULATOR

LM7812

LM7812 ELECTRICAL CHARACTERISTICS

(Refer to test circuit, TMIN<TJ<TMAX, Io=500㎃, VI=19V, CI=0.33㎌, Co=0.1㎌, unless otherwise specified)

Characteristic

Symbol

Test condition

Vo

TJ=25℃

Output Voltage

5.0㎃≤Io≤1.0A, PD≤15W

VI=14.5V to 27V

VI=15.5V to 27V

Line Regulation

△Vo TJ=25℃ VI=14.5V to 30V

VI=16V to 22V

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=14.5V to 30V

VI=15V to 30V

Output Voltage Drift

△Vo/△T

Io=5㎃

Output Noise Voltage

VN

f=10Hz to 100Khz, TA=25℃

Ripple

RR

f=120Hz

Rejection

VI=15V to 25V

Dropout Voltage

VD

Io=1A, TJ=25℃

Peak Current

IPK

TJ=25℃

Output Resistance

Ro

f=1Khz

Short Circuit Current

ISC

VI=35V, TJ=25℃

Min.

11.5

11.4

55

Typ.

12

12

Max. Unit

12.5

V

12.6

10

240

㎷

3

120

11

240

㎷

5

120

5.1

8

㎃

0.1

0.5

0.5

1.0

㎃

-1

㎷/℃

76

㎶

71

㏈

2

V

2.2

A

18

㏁

230

㎃

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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