TIGER ELECTRONIC CO.,LTD
TO-92 Encapsulate Three-terminal Voltage Regulator
TO-92
LM78L12
Three-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM:
V
o
:
P
D
:
0.1A
12 V
0.625 W
Output voltage
Continuous total dissipation
1.OUT
2.GND
3.IN
1
2 3
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
l
T
OPR
T
STG
Value
35
0-+125
-55-+150
Unit
V
℃
℃
TYP
12
12
12
22
13
55
49
4.3
MAX
12.5
12.6
12.6
100
50
250
200
6.5
1.5
0.1
70
37
42
1.7
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
uV
dB
V
ELECTRICAL CHARACTERISTICS
(V
I
=19V, Io=40mA, C
i
=0.33μF,Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
25℃
Output voltage
Vo
14V≤V
l
≤27V,
Io=1mA-40mA
Io=1mA-70mA
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise VoItage
Ripple Rejection
Dropout Voltage
TYPICAL APPLICATION
△
Vo
△
Vo
Iq
△
Iq
△
Iq
V
N
RR
Vd
vi
3
UTC
LM78L12
2
Ci
0.33μF
C0
0.1μF
1
Vo
16V≤V
l
≤27V
1mA≤I
O
≤40mA
10Hz≤f≤100KHz
15V≤V
l
≤25V,f=120Hz
Io=1mA-100mA
Io=1mA-40mA
14.5V≤V
l
≤27V
16V≤V
l
≤27V
0-125℃
25℃
25℃
25℃
25℃
25℃
0-125℃
0-125℃
25℃
0-125℃
25℃
MIN
11.5
11.4
11.4
Note : Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
TGS [ Tiger Electronic Co.,Ltd ]
