mc7908 Fairchild Semiconductor, mc7908 Datasheet - Page 14

• Manufacturer Part Number: mc7908
• Description: Mc79xx/mc79xxa/lm79xx 3-terminal 1a Negative Voltage Regulator
• Manufacturer: Fairchild Semiconductor

MC79XX/MC79XXA/LM79XX
Typical Perfomance Characteristics
14
Ou
tp
ut
Vo
lta
ge
[-
V]
Sh
ort
Cir
cui
t
Cu
rre
nt
[A]
-0.05
5.05
4.95
4.85
4.5
3.5
2.5
1.5
0.5
0.55
0.45
0.35
0.25
0.15
0.05
-0.1
5.1
4.9
4.8
0.6
0.5
0.4
0.3
0.2
0.1
5
4
3
2
1
0
5
0
-40
-40
Figure 5. Short Circuit Current
-40
Figure 3. Quiescent Current
Figure 1. Output Voltage
-25
-25
-25
T
T
A
T
A
, Ambient Temperature [
, Ambient Temperature [
A
, Ambient Temperature [
0
0
0
25
25
25
50
50
50
Vin=10V
Io=40mA
Vin=25V
Io=100mA
75
75
75
o
o
C]
C]
o
C]
100
100
100
125
125
125
Lo
ad
Re
gul
ati
on
[m
V]
3.5
2.5
1.5
0.5
15
13
11
-1
-3
-5
4
3
2
1
0
9
7
5
3
1
-40
-40
Figure 2. Load Regulation
Figure 4. Dropout Voltage
-25
-25
T
T
A
A
, Ambient Temperature [
, Ambient Temperature [
Io=1.5A
0
0
Io=1A
25
25
Io=0.75A
50
50
75
75
o
C]
o
100
C]
100
125
125