KA79XX/KA79XXA
Electrical Characteristics (KA7915A) (Continued)
(V = -23V, 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
J
-14.7 -15 -15.3
Output Voltage
V
V
O
I
= 5mA to 1A, P ≤ 15W
O
O
I
-14.4 -15 -15.6
V = -18V to -30V
V = -17.5V to -30V
I
Io = 1A
-
-
12 150
75
T =+25°C
J
V = -20V to -26V
I
Io = 1A
6
Line Regulation (Note1)
∆V
∆V
mV
O
O
V = -17.9V to -30V
-
-
12 150
150
12 150
I
V = -20V to -26V, Io = 1A
I
6
T = +25°C, I = 5mA to 1.5A
-
J
O
Load Regulation (Note1)
Quiescent Current
mV
mA
mA
T = +25°C, I = 250mA to 750mA
-
4
3
75
6
J
O
I
T =+25°C
J
-
Q
I
= 5mA to 1A
-
0.05 0.5
O
Quiescent Current Change
∆I
Q
V = -18.5V to -30V
I
-
0.1
-0.9
250
60
1
-
-
-
-
-
-
Temperature Coefficient of V
Output Noise Voltage
Ripple Rejection
∆Vo/∆T
I
= 5mA
O
-
mV/°C
µV
dB
D
V
f = 10Hz to 100kHz, T =+25°C
-
N
A
RR
f = 120Hz, ∆V = 10V
54
-
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.
13
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
