LM7818I Просмотр технического описания (PDF) - Fairchild Semiconductor

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LM7818I

3-TERMINAL 1A POSITIVE VOLTAGE REGULATORS

Fairchild Semiconductor 

LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)

LM7809A/RA ELECTRICAL CHARACTERISTICS

(Refer to the test circuits. TJ = 0 to +125 °C, IO = 1A, V I = 15V, C I = 0.33µF, C O = 0.1µF, unless otherwise specified)

Characteristic

Output Voltage

Line Regulation

Load Regulation

Quiescent Current

Quiescent Current Change

Output Voltage Drift

Output Noise Voltage

Ripple Rejection

Dropout Voltage

Output Resistance

Short Circuit Current

Peak Current

Symbol

Test Conditions

VO

∆VO

∆VO

IQ

∆IQ

∆V/∆T

VN

RR

VD

RO

ISC

IPK

TJ =+25 °C

IO = 5mA to 1A, PD ≤15W

VI = 11.2 to 24V

VI= 11.7 to 25V

IO = 500mA

VI= 12.5 to 19V

TJ =+25 °C VI= 11.5V to 24V

VI= 12.5V to 19V

TJ =+25 °C

IO = 5mA to 1.0A

IO = 5mA to 1.0A

IO = 250 to 750mA

TJ =+25 °C

VI = 11.7V to 25V, TJ=+25 °C

VI = 12V to 25V, IO = 500mA

IO = 5mA to 1.0A

IO = 5mA

f = 10Hz to 100KHz

TA =+25 °C

f = 120Hz, IO = 500mA

VI = 12V to 22V

IO = 1A, TJ =+25 °C

f = 1KHz

VI= 35V, TA =+25 °C

TJ=+25 °C

Min Typ Max

Unit

8.82

9.0

9.18

8.65

9.0

9.35

V

6

90

4

45

mV

6

90

2

45

12

100

12

100

mV

5

50

5.0

6.0

mA

0.8

0.8

mA

0.5

-1.0

mV/ °C

10

µV/VO

62

dB

2.0

V

17

mΩ

250

mA

2.2

A

* Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken

into account separately. Pulse testing with low duty is used.

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