MC79XX_02 Datasheet, PDF (12/18 Pages) Fairchild Semiconductor – 3-Terminal 1A Negative Voltage Regulator

MC79XX/MC79XXA/LM79XX
Electrical Characteristics (MC7912A) (Continued)
(VI = -19V, IO = 500mA, 0°C ≤TJ ≤ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of VD
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Symbol
VO
∆VO
∆VO
IQ
∆IQ
∆Vo/∆T
VN
RR
VD
ISC
IPK
Conditions
Min.
TJ = +25°C
-11.75
IO = 5mA to 1A, PO ≤ 15W
VI = -15.5V to -27V
-11.5
TJ = +25°C
VI = -14.5V to -27V
Io = 1A
-
VI = -16V to -22V
Io = 1A
-
VI = -14.8V to -30V
-
VI = -16V to -22V, Io = 1A
-
TJ = +25°C
IO = 5mA to 1.5A
-
TJ = +25°C
IO = 250mA to 750mA
-
TJ = +25°C
-
IO = 5mA to 1A
-
VI = -15V to -30V
-
IO = 5mA
-
f = 10Hz to 100kHz
TA = +25°C
-
f = 120Hz
∆VI = 10V
54
TJ = +25°C
IO = 1A
-
TJ = +25°C, VI = -35V
-
TJ = +25°C
-
Typ.
-12
-12
12
6
12
12
12
4
3
0.05
0.1
-0.8
200
60
2
300
2.2
Max. Unit
-12.25
V
-12.5
120
60 _mV
120
120
150
mV
75
6 mA
0.5
mA
1
- mV/°C
-
µV
-
dB
-
V
- mA
-
A
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
12