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SEMICONDUCTORS
THREE TERMINAL
POSITIVE VOLTAGE REGULATORS 5V
78L05
1.Description
The KIA 78L05 is monolithic fixed voltage regulator integrated circuit. Tt is suitable for
applications that required supply current up to 100mA.
2.Features
Output current up to 100mA
No external part needed
Thermal overload shutdown protection
Short circuit current limiting
SOT89 package
3.Applications
Battery-powered circuitry
Post regulator for switching power supply
4.Pinning information
Table1: Pinning-SOT89,simplified outline
Pin Description
1
V
OUT
2 GND
3 VIN
Simplified outline
5.Marking information
KIA 78L05 Marking 8A
6.Package information
1K/Reel 8K/Box 40K/CTN
9396 850 1656
Product data
Rev.01-11 April 2005
1 23
(SOT89 Front View)
KIA semiconductors All right reserved
1 of 3
![]() KIA
SEMICONDUCTORS
THREE TERMINAL
POSITIVE VOLTAGE REGULATORS 5V
78L05
7.Maximum ratings(Ta=25oC)
Table2: Maximum ratings
Parameter
Input voltage
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Symbol
V
IN
PD
TJ
T
OPR
TSTG
Rating
35
500
-20~+125
-20~+85
-65~+150
Unit
V
mW
oC
oC
oC
8.Electrical characteristics
Table3: Electrical characteristics
( VIN=10V,IOUT=40mA,CIN=0.33uF, COUT=0.1uF,TJ=25 oC ,Unless otherwise noted)
Parameter
Symbol
Condition
Min Typ Max
Unit
Output voltage
VOUT
7.0V<VIN<20V
1.0mA<IOUT<40mA
1.0mA<IOUT<70mA
4.8 5.0 5.2
4.75 5.0 5.25
4.65 5.0 5.30
V
V
V
Line regulation
Reg line
7.0V<VIN<20V
8.0V<VIN<20V
29 150
26 100
mV
mV
Load regulation
Reg load
Quiescent current
Quiescent current change
IQ
I
Q
1.0mA<IOUT<100mA
1.0mA<IOUT<40mA
8.0V<VIN<20V
1.0mA<IOUT<40mA
9.0
5.0
2.8
0.15
0.08
60
30
6.0
1.5
0.1
mV
mV
mA
mA
mA
Output noise voltage
Ripple rejection ratio
Dropout voltage
VON 10Hz<f<100KHZ
40
RR 10V<VIN<20V f=120HZ 40 49
V 1.7
D
uVrm
dB
V
Note1: The maximum steady state usable output current is dependent on input voltage,heat sinking,lead
length of the package and copper pattern of PCB.
9396 850 1656
Product data
Rev.01-11 April 2005
KIA semiconductors All right reserved
2 of 3
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