TIGER ELECTRONIC CO.,LTD
TO-92 Encapsulate Three-terminal voltage regulator
LM79L12 Three-terminal negative voltage regulator
FEATURES
Maximum Output current
IOM:
0.1 A
Output voltage
Vo:
-12 V
Continuous total dissipation
PD: 0. 625 W
TO-92
1. GND
2. IN
3. OUT
123
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Input Voltage
Vl
-35
Operating Junction Temperature Range
TOPR
0~+125
Storage Temperature Range
TSTG
-55~+150
ELECTRICAL CHARACTERISTICS (Vi=19V,Io=40mA,Ci=0.33μF,Co=0.1μF, unless otherwise specified )
Units
V
℃
℃
Parameter
Symbol
Test conditions
MIN TYP MAX
Output voltage
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
TYPICAL APPLICATION
25℃
-11.5 -12 -12.5
Vo -14.5V≤V l≤-27V, Io=1mA~40mA
-11.4 -12 -12.6
0-125℃
Io=1mA~70mA
-11.4 -12 -12.6
ΔVo
ΔVo
Iq
ΔIq
ΔIq
VN
RR
Vd
Vi
Io=1mA~100mA
Io=1mA~40mA
-14.5V≤V l≤-27V
-16V≤V l≤-27V
-16V≤V l≤-27V
1mA≤IO≤40mA
10Hz≤f≤100KHz
-15V≤V l≤-25V,f=120Hz
2
3
LM79L12
25℃
24 100
25℃
15
50
25℃
50 250
25℃
40 200
25℃
6.5
0-125℃
1.5
0-125℃
0.1
25℃
80
0-125℃ 37
42
25℃
1.7
Vo
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
uV
dB
V
1
Ci
0.33μF
C0
0.1μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.