KA79XX/KA79XXA
Electrical Characteristics (KA7912A) (Continued)
(V = -19V, I = 500mA, 0°C ≤T ≤ +125°C, C =2.2µF, C =1µF, unless otherwise specified.)
I
O
J
I
O
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
T =+25°C
-11.75 -12 -12.25
V
J
Output Voltage
V
O
I
= 5mA to 1A, P ≤ 15W
O
O
-11.5
-12
12
6
-12.5
120
60
V = -15.5V to -27V
I
V = -14.5V to -27V
Io = 1A
I
-
-
T = +25°C
J
V = -16V to -22V
I
Io = 1A
Line Regulation (Note1)
∆V
∆V
mV
O
O
V = -14.8V to -30V
-
-
12
12
120
I
V = -16V to -22V, Io = 1A
I
120
T =+25°C, I = 5mA to 1.5A
-
12
150
J
O
Load Regulation (Note1)
Quiescent Current
mV
mA
mA
T =+25°C, I = 250mA to 750mA
-
4
75
J
O
I
T =+25°C
J
-
3
6
Q
I
= 5mA to 1A
-
0.05
0.1
-0.8
200
60
0.5
O
Quiescent Current Change
∆I
Q
V = -15V to -30V
I
-
1
-
-
-
-
-
-
Temperature Coefficient of V
Output Noise Voltage
Ripple Rejection
∆Vo/∆T
I
= 5mA
O
-
mV/°C
µV
D
V
f = 10Hz to 100kHz, T =+25°C
-
N
A
RR
f = 120Hz, ∆V = 10V
54
-
dB
I
Dropout Voltage
V
T =+25°C, I = 1A
2
V
D
J
O
Short Circuit Current
Peak Current
I
T =+25°C, V = -35V
-
300
2.2
mA
A
SC
J
I
I
T =+25°C
J
-
PK
Note
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
12
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
