MC7905 Fairchild, MC7905 Datasheet - Page 11

• Manufacturer Part Number: MC7905
• Description: 3-Terminal 1A Negative Voltage Regulator
• Manufacturer: Fairchild

Electrical Characteristics (MC7905A)
(V
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of
V
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
I
D
into account separately. Pulse testing with low duty is used.
= -10V, I
O
= 500mA, 0 C T
J
Symbol
Vo/ T
I
I
V
RR
V
V
+125 C, C
I
SC
PK
V
V
Q
I
O
N
D
Q
O
O
T
I
V
T
V
V
T
T
I
T
I
V
I
f = 10Hz to 100kHz
T
f = 120Hz
T
I
T
T
O
O
O
O
O
J
J
J
J
J
A
V
J
J
J
I
I
I
I
= -7V to -20V
= -7.5V to -25V
= -8V to -12V , I
= -8V to -25V
= 5mA to 1A, P
= 250mA to 750mA
= 5mA to 1A
= 5mA
I
= 1A
= +25 C
= +25 C
=+25 C, I
= +25 C
= +25 C
= +25 C
= +25 C, V
= +25 C
I
= +25 C
= 10V
=2.2 F, C
O
(Continued)
O
I
= 5mA to 1.5A
Conditions
= -35V
=1 F, unless otherwise specified.)
O
O
V
V
=1A
I
I
= -7V to -20V I
= -8V to -12V I
15W
O
O
O
=1A
=1A
due to heating effects must be taken
Min. Typ. Max.
- 4.8
-4.9
54
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MC79XX/MC79XXA/LM79XX
0.05
- 0.4
-5.0
-5.0
300
0.1
2.2
10
40
60
5
2
7
7
3
3
2
-5.1
-5.2
100
0.5
0.8
50
25
50
50
50
6
-
-
-
-
-
-
mV/ C
Unit
mV
mV
mA
mA
mA
dB
V
V
A
V
11