LM7808C

Electrical Characteristics

0˚C

≤ T

Symbol

Parameter

Conditions (Note 6)

LM7808C

Units

Min

Typ

Max

V

O

Output Voltage

T

7.7

8.0

8.3

V

∆V

O

Line Regulation

T

10.5V

≤ V

6.0

160

mV

11.0V

≤ V

2.0

80

∆V

O

Load Regulation

T

5.0 mA

≤ I

12

160

mV

250 mA

≤ I

mA

4.0

80

V

O

Output Voltage

11.5V

≤ V

7.6

8.4

V

I

Q

Quiescent

Current

T

4.3

8.0

mA

∆I

Q

Quiescent

With Line

11.5V

≤ V

1.0

mA

Current Change

With

Load

5.0 mA

≤ I

0.5

V

N

Noise

T

52

µV

∆V

Ripple Rejection

f = 120 Hz, I

56

72

dB

V

DO

Dropout Voltage

I

2.0

V

R

O

Output Resistance

f = 1.0 kHz

16

m

Ω

I

OS

Output Short Circuit Current

T

0.45

A

I

PK

Peak Output Current

T

2.2

A

∆V

Average Temperature

I

0.8

mV/˚C

Coefficient of Output Voltage

Note 6: All characteristics are measured with a 0.22 µF capacitor from input to ground and a 0.1 µF capacitor from output to ground. All characteristics except noise

must be taken into account separately.

Typical Performance Characteristics

Maximum Average Power

Dissipation

DS007781-22

Maximum Average Power

Dissipation

DS007781-23

Maximum Power

Dissipation (TO-263)

(See Note 2)

DS007781-24

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