mc7908 Fairchild Semiconductor, mc7908 Datasheet - Page 10

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

MC79XX/MC79XXA/LM79XX
Electrical Characteristics (MC7924)
(V
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
10
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.
= -33V, I
O
= 500mA, 0 C T
D
J
Symbol
+125 C, C
Vo/ T
RR
I
I
V
V
V
I
SC
PK
V
V
Q
I
O
N
D
Q
O
O
I
T
I
V
T
T
I
T
I
T
I
V
I
f = 10Hz to 100kHz
T
f = 120Hz
T
I
T
T
O
O
O
O
O
O
=2.2 F, C
J
J
J
J
J
A
V
J
J
J
I
I
= -27V to -38V
= -27V to -38V
= 5mA to 1A, P
= 5mA to 1.5A
= 250mA to 750mA
= 5mA to 1A
= 5mA
= 1A
= +25 C
= +25 C
= +25 C
I
= +25 C
= +25 C, V
= +25 C
= +25 C
= +25 C
= +25 C
= 10V
(Continued)
O
Conditions
=1 F, unless otherwise specified.)
I
= -35V
V
V
O
I
I
= -30V to -36V
= -27V to -38V
15W
O
due to heating effects must be taken
-22.8
Min.
-23
54
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
0.05
400
300
-24
-24
0.1
2.2
15
15
60
-1
8
5
3
2
-25.2
Max.
480
180
480
240
-25
0.5
6
1
-
-
-
-
-
-
mV/ C
Unit
mV
mV
mA
mA
mA
dB
V
V
A
V