Datasheet

7 Typical performance
Figure 29. Dropout voltage vs junction temperature
V
I
-V
o
(V)
-75
2
-50
-25 0
25
50
75 100
125
T
j
(°C)
L78XX
GAMG200920161325MT
0
1.5
1
0.5
I
O
= 1 A
I = 500 mA
I = 200 mA
I = 20 mA
I = 0 mA
∆V
O
= 5% of V
O
DROPOUT CONDITIONS
O
O
O
O
Figure 30. Peak output current vs input/output differential
voltage
Io(A)
0
2.5
2
5 10
15
20
25
Vi-V
O
(V)
L7805
GAMG200920161324MT
1.5
1
0.5
Tj = 55 °C
Tj = 0 °C
Tj = 125 °C
Tj = 150 °C
Tj = 25 °C
Figure 31. Supply voltage rejection vs frequency
Vi = 8 V to 18 V
Vo = 5 V
Tj = 25 °C
Io = 500 mA
L7805
SVR
(dB)
20
0
10
10
2
10
3
10
4
f (Hz)
GAMG200920161322MT
40
60
80
Figure 32. Output voltage vs junction temperature
Vo
(V)
-75
12.1
12.0
-50
-25 0
25
50
75 100
125
T
j
(°C)
Vi = 19 V
Vo = 12 V
Io = 20 mA
L7812
GAMG200920161323MT
11.9
11.8
L78
Typical performance
DS0422 - Rev 36
page 30/55
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.