LM7818T Просмотр технического описания (PDF) - HTC Korea

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производитель

LM7818T

FIXED VOLTAGE REGULATOR

HTC Korea 

FIXED VOLTAGE REGULATOR

LM7808

LM7808 ELECTRICAL CHARACTERISTICS

(Refer to test circuit, TMIN<TJ<TMAX, Io=500㎃, VI=14V, CI=0.33㎌, Co=0.1㎌, unless otherwise specified)

Characteristic

Symbol

Test condition

TJ=25℃

Output Voltage

Vo

5.0㎃≤Io≤1.0A, Po≤15W

VI=10.5V to 23V

VI=11.5V to 23V

Line Regulation

△Vo TJ=25℃ VI=10.5V to 25V

VI=11.5V to 17V

Load Regulation

△Vo TJ=25℃ Io=5.0㎃ to 1.5A

Io=250㎃ to 750㎃

Quiescent Current

IQ

TJ=25℃

Io=5㎃ to 1A

Quiescent Current Change △IQ

VI=10.5V to 25V

VI=11.5V to 25V

Output Voltage Drift

△Vo/△T

Io=5㎃

Output Noise Voltage

VN

f=10Hz to 100Khz, TA=25℃

Ripple

RR f=120Hz, VI=11.5V to 21.5V

Rejection

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.

7.7

7.6

56

Typ.

8.0

8.0

Max. Unit

8.3

V

8.4

5.0

2.0

10

5

5

0.05

0.5

160

㎷

80

160

㎷

80

8

㎃

0.5

1.0

㎃

-0.8

52

73

㎷/℃

㎶

㏈

2

V

2.2

A

17

㏁

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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