78M05
3-terminal 5V 0.5A positive voltage regulator
Features
Output Current up to 0.5A
Output Voltages of 5V
Thermal Overload Protection
Short Circuit Protection
Output Transistor Safe Operating area (SOA)Protection
Description
The KA78M05 three-terminal positive regulators are
available in the TO-252（D-PAK） package with several
fixed output voltages making it useful in a wide range
of applications.
Internal Block Digram
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Input Voltage
V
IN
35
V
Out put Voltage
V
O
5
V
Continuous total dissipation
P
D
1.25
W
Operating Temperature Range
T
OPR
0～＋125
℃
Storage Temperature Range
T
STG
-55～＋150
℃
http://www.lgesem
i.com
mail:lge@lgesemi.com
Revision:20170701-P1
Electrical Characteristics
Parameter
Symbol
Conditions
Value
MIN
TYP
MAX
Output Voltage
V
O
V
I
＝7～20V，I
O
=5～350mA
4.8
5
5.2
V
I
＝10V，I
O
=5～350mA
4.8
5
5.2
Line Regulation
△ V
O
V
I
＝7～25V，Tj＝25℃
100
V
I
＝～25V，Tj＝25℃
50
Load Regulation
△ V
O
I
O
=5～500mA ，Tj＝25℃
100
I
O
=5～200mA， Tj＝25℃
50
Quiescent Current
I
Q
Tj＝25℃
6
Quiescent Current
Change
△ I
Q
I
O
=5～350mA
0.5
I
O
=200mA，V
I
＝8～18V
0.8
Output Voltage Drift
△V /△T
I
O
= 5mA
T
J
= 0 to +125
-0.5
Output Noise Voltage
V
N
10H
Z
≤ f ≤100KH
Z
40
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 8 to 18V
62
Dropout Voltage
V
d
1.7
Short Circuit Current
I
SC
T
J
=+25 , V
I
= 35V
300
Peak Current
I
PK
700
Notes:
*Load and line regulation are specified at constant junction temperature. Change in Vo due to heating
effects must be taken into account separately. Pulse testing with low duty is used.
http://www.lgesem
i.com
mail:lge@lgesemi.com
Revision:20170701-P1
78M05