lm7800c National Semiconductor Corporation, lm7800c Datasheet - Page 5

• Manufacturer Part Number: lm7800c
• Description: Series 3-terminal Positive Regulators
• Manufacturer: National Semiconductor Corporation

Symbol
V
V
I
V
V
R
I
I
Q
OS
PK
LM7808C
Electrical Characteristics
0˚C
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
voltage and ripple rejection ratio are measured using pulse techniques (t
must be taken into account separately.
V
V
I
V
V
O
O
N
DO
O
Typical Performance Characteristics
Maximum Average Power
Dissipation
Q
O
O
I
O
/ V
/ T
O
T
J
Output Voltage
Line Regulation
Load Regulation
Output Voltage
Quiescent
Current
Quiescent
Current Change
Noise
Ripple Rejection
Dropout Voltage
Output Resistance
Output Short Circuit Current
Peak Output Current
Average Temperature
Coefficient of Output Voltage
+150˚C, V
Parameter
I
= 14V, I
DS007781-22
O
With Line
With
Load
= 500 mA, C
Maximum Average Power
Dissipation
T
T
T
11.5V
T
11.5V
5.0 mA
T
f = 120 Hz, I
I
f = 1.0 kHz
T
T
I
I
O
O
J
J
J
J
A
J
J
= 0.33 µF, C
= 1.0A, T
= 5.0 mA
= 25˚C
= 25˚C
= 25˚C
= 25˚C
= 25˚C, V
= 25˚C
= 25˚C, 10 Hz
V
V
I
I
I
w
O
J
O
I
23V, 5.0 mA
25V
10 ms, duty cycle
= 25˚C
= 35V
Conditions (Note 6)
1.0A
O
= 350 mA, T
= 0.1 µF, unless otherwise specified
5
f
100 kHz
DS007781-23
J
I
5%). Output voltage changes due to changes in internal temperature
O
= 25˚C
10.5V
11.0V
5.0 mA
250 mA
mA
1.0A, P
V
V
I
I
I
O
I
O
25V
17V
Maximum Power
Dissipation (TO-263)
(See Note 2)
15W
1.5A
750
Min
7.7
7.6
56
LM7808C
0.45
Typ
8.0
6.0
2.0
4.0
4.3
2.0
2.2
0.8
12
52
72
16
Max
160
160
www.national.com
8.3
8.4
8.0
1.0
0.5
80
80
DS007781-24
mV/˚C
Units
mV
mV
mA
mA
m
µV
dB
V
V
V
A
A