L7800 SERIES
Figure 7: Ripple Rejection
Table 4: Electrical Characteristics Of L7805
(refer to the test circuits, T
J
= -55 to 150°C, V
I
= 10V,
I
O
= 500 mA, C
I
= 0.33 µF, C
O
= 0.1 µF unless otherwise specified).
Symbol
V
O
V
O
∆V
O
(*)
∆V
O
(*)
I
d
∆I
d
Parameter
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= 8 to 20 V
V
I
= 7 to 25 V
V
I
= 8 to 12 V
I
O
= 5 mA to 1.5 A
I
O
= 250 to 750 mA
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= 8 to 25 V
∆V
O
/∆T Output Voltage Drift
eN
SVR
V
d
R
O
I
sc
I
scp
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Short Circuit Peak Current
I
O
= 5 mA
B =10Hz to 100KHz
V
I
= 8 to 18 V
I
O
= 1 A
f = 1 KHz
V
I
= 35 V
T
J
= 25°C
T
J
= 25°C
1.3
T
J
= 25°C
T
J
= 25°C
f = 120Hz
68
2
17
0.75
2.2
1.2
3.3
2.5
0.6
40
P
O
≤
15W
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
Test Conditions
Min.
4.8
4.65
Typ.
5
5
3
1
Max.
5.2
5.35
50
25
100
25
6
0.5
0.8
mV/°C
µV/V
O
dB
V
mΩ
A
A
mA
mA
mV
Unit
V
V
mV
(*) Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
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