KA7912A Fairchild Semiconductor, KA7912A Datasheet - Page 7

• Manufacturer Part Number: KA7912A
• Description: The KA79XX/KA79XXA series of three-terminal negative regulators are available in TO-220 package and with several fixed output voltages, making them useful in a wide range of applications
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics (KA7912)
(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
into account separately. Pulse testing with low duty is used.
= -19V, I
O
= 500mA, 0°C ≤T
D
J
≤ +125°C, C
Symbol
ΔVo/ΔT
ΔV
ΔV
ΔI
RR
I
I
V
V
V
I
SC
PK
Q
O
N
D
Q
O
O
T
I
V
T
T
T
T
I
V
I
f = 10Hz to 100kHz, T
f = 120Hz, ΔV
T
T
T
O
O
O
J
J
J
J
J
J
J
J
I
I
I
=2.2μF, C
= -15.5V to -27V
= -14.5V to -30V
= 5mA to 1A, P
= 5mA to 1A
= 5mA
= +25°C
= +25°C
= +25°C, I
=+25°C, I
=+25°C
= +25°C, I
= +25°C, V
= +25°C
(Continued)
O
O
Conditions
O
O
I
I
=1μF, unless otherwise specified.)
= 250mA to 750mA
= 10V
= -35V
= 5mA to 1.5A
= 1A
O
V
V
≤ 15W
I
I
= -14.5V to -30V
= -16V to -22V
A
=+25°C
O
due to heating effects must be taken
-11.5
-11.4
Min.
54
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
0.05
-0.8
200
300
-12
-12
0.1
2.2
12
60
12
6
4
3
2
KA79XX/KA79XXA
-12.5
-12.6
Max.
240
120
240
120
0.5
6
1
-
-
-
-
-
-
mV/°C
Unit
mV
mV
mA
mA
mA
μV
dB
V
V
A
7