KIA
SEMICONDUCTORS
THREE TERMINAL POSITIVE
VOLTAGE REGULATORS 5V
78L05
1.Description
The KIA78L05 is monolithic fixed voltage regulator integrated circuit.It is suitable for applications
that required supply current up to 100mA.
2.Features
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n
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Output current up to 100mA
No external part needed
Thermal overload shutdown protection
Short circuit current limiting
SOT89 package
3.Applications
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Battery-powered circuitry
Post regulator for switching power supply
4.
Pinning information
Pin
1
2
SOT-89
TO-92
3
Description
V
OUT
GND
V
IN
1 of 3
Rev 1.2 JAN 2015
KIA
SEMICONDUCTORS
THREE TERMINAL POSITIVE
VOLTAGE REGULATORS 5V
78L05
5.
Maximum ratings
Parameter
Input voltage
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Symbol
V
IN
P
D
T
J
T
OPR
T
STG
(Ta=25°C,unless otherwise notes)
Rating
Units
30
500
-20~+125
-20~+85
-65~+150
V
mW
°C
°C
°C
6.
Electrical characteristics
(V
IN
=10V,I
OUT
=40mA,C
IN
=0.33uF,C
OUT
=0.1uF,T
J
=25°C,unless otherwise notes)
Parameter
Symbol
Condition
Min
4.8
Output voltage
V
OUT
7.0V<V
IN
<20V
1.0mA<I
OUT
<40mA
1.0mA<I
OUT
<70mA
7.0V<V
IN
<20V
8.0V<V
IN
<20V
1.0mA<I
OUT
<100mA
1.0mA<I
OUT
<40mA
4.75
4.65
-
-
-
-
-
8.0V<V
IN
<20V
1.0mA<I
OUT
<40mA
10Hz<f<100KHz
10V<V
IN
<20V, f=120Hz
-
-
-
40
Typ
5.0
5.0
5.0
29
26
9.0
5.0
2.8
0.15
0.08
40
49
Max
5.2
5.25
5.30
150
100
60
30
6.0
1.5
0.1
-
-
Unit
V
V
V
mV
mV
mV
mV
mA
mA
mA
uVrm
dB
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output noise voltage
Ripple rejection ratio
Reg line
Reg load
I
Q
ΔI
Q
V
ON
RR
Dropout voltage
V
D
-
1.7
-
V
Note1:The maximum steady state usable output current is dependent on input voltage,heat sinking,lead
length of the package and copper patten of PCB.
2 of 3
Rev 1.2 JAN 2015
KIA
SEMICONDUCTORS
THREE TERMINAL POSITIVE
VOLTAGE REGULATORS 5V
78L05
7.
Appllcation circuits
Note1:The input voltage must remain typically 1.7V above the output voltage.
Note2:Bypass capacitors are recommended for optimum stability and transient reponse and
should be located as close as possible to the regulators.
8.
Package outline
Dim
A
B
B1
C
D
D1
e
e1
E
H
L
min
1.40
0.40
0.35
0.35
4.40
1.35
1.50 BSC
3.00 BSC
2.29
3.75
0.80
max
1.60
0.56
0.48
0.44
4.60
1.83
2.60
4.25
1.20
3 of 3
Rev 1.2 JAN 2015
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