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LM78L18 Ver la hoja de datos (PDF) - KEXIN Industrial

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LM78L18 Three-Terminal Positive Voltage Regulator Kexin
KEXIN Industrial Kexin
LM78L18 Datasheet PDF : 2 Pages
1 2
SMD Type
IC
Three-Terminal Positive Voltage Regulator
LM78L18
SOT-89
4.50 0.1
1.80 0.1
Unit: mm
1.50 0.1
Features
Maximum Output current IO: 0.1A
Output Voltage VO: 18V
Continuous Total Dissipation PD: 0.5W (Ta = 25 )
1
2
3
0.48 0.1
0.53 0.1
3.00 0.1
Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
Rating
Unit
VI
35
V
TOPR
-55 +125
TSTG
-55 +150
0.44 0.1
1.OUT
2.GND
3.IN
Electrical Characteristics (VI=26V, IO=40mA,CI=0.33 F,CO=0.1 F, unless otherwise specified)
Parameter
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Symbol
Testconditons
Min Typ Max Unit
TJ = 25
17.3 18 18.7 V
VO TJ = 0 125 , 20.5V VI 33V, IO=1mA 40mA 17.1 18 18.9 V
TJ = 0 125 , VI = 26V, IO=1mA 70mA
17.1 18 18.9 V
TJ = 25 , VI = 26V, IO=1mA 100mA
VO
TJ = 25 , VI = 26V, IO=1mA 40mA
27 180 mV
19 90 mV
TJ = 25 , 20.5V VI 33V, IO = 40mA
VO
TJ = 25 , 22V VI 33V, IO = 40mA
70 360 mV
64 300 mV
IQ TJ = 25
4.7 6.5 mA
TJ = 0 125 , 22V VI 33V, IO = 40mA
IQ
TJ = 0 125 , VI = 26V, 1mA IO 40mA
1.5
mA
0.1
VN TJ = 25 , 10Hz f 100KHz
89
V
RR TJ = 0 125 , 21.5V VI 31.5V, f = 120Hz
32 36
dB
VD TJ = 25
1.7
V
Typical Application
VI
CI
0.33 F
2
1
LM78L18
3
VO
CO
0.1 F
Note:Bypass capacitors are recommended
for optimum stability and transient
response and should be located as
close as possible to the regulators.
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