MC7905 Fairchild, MC7905 Datasheet - Page 12

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

MC79XX/MC79XXA/LM79XX
Electrical Characteristics (MC7912A)
(V
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
12
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
into account separately. Pulse testing with low duty is used.
= -19V, I
O
= 500mA, 0 C T
D
J
Symbol
+125 C, C
Vo/ T
I
V
RR
I
V
V
I
SC
PK
V
V
Q
I
O
N
D
Q
O
O
T
I
V
T
V
V
T
I
T
I
T
I
V
I
f = 10Hz to 100kHz
T
f = 120Hz
T
I
T
T
I
O
O
O
O
O
O
J
J
J
J
J
A
V
J
J
J
I
I
I
I
=2.2 F, C
= -14.8V to -30V
= -16V to -22V, Io = 1A
= -15.5V to -27V
= -15V to -30V
= +25 C
= 5mA to 1A, P
= +25 C
= +25 C
= 5mA to 1.5A
= 250mA to 750mA
= 5mA to 1A
= 5mA
I
= +25 C
= 1A
= +25 C, V
= +25 C
= +25 C
= +25 C
= +25 C
= 10V
(Continued)
O
Conditions
=1 F, unless otherwise specified.)
I
= -35V
O
V
Io = 1A
V
Io = 1A
I
I
= -16V to -22V
= -14.5V to -27V
15W
O
due to heating effects must be taken
-11.75
-11.5
Min.
54
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
0.05
-0.8
200
300
-12
-12
0.1
2.2
12
12
12
12
60
6
4
3
2
-12.25
Max.
-12.5
120
120
120
150
0.5
60
75
6
1
-
-
-
-
-
-
mV/ C
Unit
mV
mV
mA
mA
mA
dB
V
V
A
V