TIGER ELECTRONIC CO.,LTD
TO-92 Encapsulate Three-terminal Voltage Regulator
TO-92
LM78L18
Three-terminal positive voltage regulator
1.OUT
FEATURES
Maximum Output current
0.1 A
I
OM:
Output voltage
V
O
: 18 V
Continuous total dissipation
P
D
:
0.625 W
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
Parameter
Symbol
Symbol
V
i
T
OPR
T
STG
Test conditions
25℃
Output voltage
Vo
20.5V≤V
i
≤33V,
Io=1mA-40mA
V
i
=26V, Io=1mA-70mA
Load Regulation
△
Vo
Io=1mA-100mA, V
i
=26V
Io=1mA-40mA, V
i
=26V
20.5V≤Vi≤33V,Io=40mA
22V≤Vi≤33V, Io=40mA
0-125℃
25℃
25℃
25℃
25℃
25℃
22V≤Vi≤33V, Io=40mA
1mA≤I
O
≤40mA,
Vi=26V
10Hz≤f≤100KHz
21.5V≤Vi≤31.5V,f=120Hz
Tj=25℃
3
UTC
LM78L18
C
i
0.33μF
2
C
0
0.1μF
1
Vo
0-125℃
0-125℃
25℃
0-125℃
25℃
32
89
36
1.7
Value
35
0-+125
-55-+150
MIN
17.3
17.1
17.1
TYP
18
18
18
27
19
70
64
4.7
Unit
V
℃
℃
MAX
18.7
18.9
18.9
180
90
360
300
6.5
1.5
0.1
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
µV
dB
V
ELECTRICAL CHARACTERISTICS
(Vi=26V,Io=40mA,Ci=0.33μF,Co=0.1μF, unless otherwise specified )
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
△
Vo
Iq
△
Iq
△
Iq
V
N
RR
Vd
Vi
TYPICAL APPLICATION
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 ]
