2000 Fairchild Semiconductor International
www.fairchildsemi.com
Rev. 5.0
Features
Output Current up to 0.5A
Output Voltages of 5, 6, 8, 10, 12, 15, 18, 20, 24V
Thermal Overload Protection
Short Circuit Protection
Output Transistor Safe Operating area (SOA)Protection
Description
The KA78MXX series of three-terminal positive regulators
are available in the TO-220/D-PAK package with several
fixed output voltages making it useful in a wide range of
applications.
TO-220
D-PAK
1. Input 2. GND 3. Output
1
1
Internal Block Digram
KA78MXX
3-terminal 0.5A positive voltage regulator
KA78MXX
2
Absolute Maximum Ratings
Electrical Characteristics (KA78M05/KA78M05R)
(Refer to the test circuits, 0
< T
J
< +125
C, I
O
=350mA, V
I
=10V, unless otherwise specified, C
I
= 0.33
F, C
O
=0.1
F)
Notes:
*Load and line regulation are specified at constant junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Value
Unit
Input Voltage (for V
O
= 5V to 18V)
(for V
O
= 24V)
V
I
V
I
35
40
V
V
Thermal Resistance Junction-Cases
R
JC
5
C/W
Thermal Resistance Junction-Air (TO-220 Package)
R
JA
65
C/W
Operating Temperature Range KA78MXX/R
T
OPR
0~ + 125
C
Storage Temperature Range
T
STG
-65~ + 150
C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
=+25
C
4.8
5
5.2
V
I
O
= 5 to 350mA
V
I
= 7 to 20V
4.75
5
5.25
Line Regulation
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 7 to 25V
-
-
100
mV
V
I
= 8 to 25V
-
-
50
Load Regulation
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
100
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
50
Quiescent Current
I
Q
T
J
=+25
C
-
4.0
6
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 8 to 25V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-
0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
-
40
-
V
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 8 to 18V
62
-
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
=+25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
=+25
C
-
700
-
mA
KA78MXX
3
Electrical Characteristics (KA78M06/KA78M06R)
(Refer to the test circuits, 0
T
J
+125
C, I
O
=350mA, V
I
=11V, unless otherwise specified, C
I
= 0.33
F, C
O
=0.1
F)
Notes:
*Load and line regulation are specified at constant, junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
TJ=+25
C
5.75
6
6.25
V
I
O
= 5 to 350mA
V
I
= 8 to 21V
5.7
6
6.3
Line Regulation
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 8 to 25V
-
-
100
mV
V
I
= 9 to 25V
-
-
50
Load Regulation
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
120
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
60
Quiescent Current
I
Q
T
J
=+25
C
-
4.0
6
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 9 to 25V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-
0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
-
45
-
V
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 9 to 19V
59
-
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
=+25
C
-
700
-
mA
KA78MXX
4
Electrical Characteristics (KA78M08/KA78M08R)
(Refer to the test circuits, 0
T
J
+125
C, I
O
=350mA, V
I
=14V, unless otherwise specified, C
I
=0.33
F, C
O
=0.1
F)
Notes:
*Load and line regulation are specified at constant, junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
=+25
C
7.7
8
8.3
V
I
O
= 5 to 350mA
V
I
= 10.5 to 23V
7.6
8
8.4
Line Regulation
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 10.5 to 25V
-
-
100
mV
V
I
= 11 to 25V
-
-
50
Load Regulation
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
160
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
80
Quiescent Current
I
Q
T
J
=+25
C
-
4.0
6
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 10.5 to 25V
-
-
0.8
Output Voltage Drift
RR
I
O
= 5mA
T
J
= 0 to +125
C
-
-
0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
-
52
-
V
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 9 to 19V
56
-
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
=+25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
=+25
C
-
700
-
mA
KA78MXX
5
Electrical Characteristics (KA78M10/KA78M10R)
(Refer to the test circuits, 0
T
J
+125
C, I
O
=350mA, V
I
=17V, unless otherwise specified, C
I
= 0.33
F, C
O
=0.1
F)
Notes:
*Load and line regulation are specified at constant, junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
= +25
C
9.6
10
10.4
V
I
O
= 5 to 350mA
V
I
= 12.5 to 25V
9.5
10
10.5
Line Regulation
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 12.5 to 25V
-
-
100
mV
V
I
= 13 to 25V
-
-
50
Load Regulation
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
200
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
100
Quiescent Current
I
Q
T
J
=+25
C
-
4.1
6
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 12.5 to 25V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-
0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100KHz
-
65
-
V
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 13 to 23V
55
-
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
=+25
C
-
700
-
mA
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