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Electrical Characteristics (LM7818)

(Refer to the test circuits.

low duty is used.

Note 17: These parameters, although guaranteed, are not 100% tested in production.

Electrical Characteristics (LM7824)

(Refer to the test circuits.

low duty is used.

Note 19: These parameters, although guaranteed, are not 100% tested in production.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Output Voltage

17.3

18.0

18.7

V

5mA

17.1

18.0

18.9

Line Regulation

Regline

–

15.0

360

mV

(Note 12)

–

5.0

180

Load Regulation

Regload

–

15.0

360

mV

(Note 12)

–

5.0

180

Quiescent Current

5.2

8.0

mA

Quiescent Current Change

–

–

0.5

mA

–

–

1.0

Output Voltage Drift (Note 17)

–

1.0

–

mV/

qC

Output Noise Voltage

110

–

Ripple Rejection (Note 17)

RR

53.0

69.0

–

dB

Dropout Voltage

2.0

–

V

Output Resistance (Note 17)

rO

f = 1KHz

–

22.0

–

m

:

Short Circuit Current

250

–

mA

Peak Current (Note 17)

2.2

–

A

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Output Voltage

23.0

24.0

25.0

V

5mA

22.8

24.0

25.25

Line Regulation

Regline

–

17.0

480

mV

(Note 18)

–

6.0

240

Load Regulation

Regload

–

15.0

480

mV

(Note 18)

–

5.0

240

Quiescent Current

5.2

8.0

mA

Quiescent Current Change

–

0.1

0.5

mA

–

0.5

1.0

Output Voltage Drift (Note 19)

–

1.5

–

mV/

qC

Output Noise Voltage

–

60.0

–

Ripple Rejection (Note 19)

RR

50.0

67.0

–

dB

Dropout Voltage

2.0

–

V

Output Resistance (Note 19)

rO

f = 1KHz

–

28.0

–

m

:

Short Circuit Current

230

–

mA

Peak Current (Note 19)

2.2

–

A