©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
µ
F, C
O
=0.1
µ
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
-
µ
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
µ
F, C
O
=0.1
µ
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
-
µ
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
µ
F, C
O
=0.1
µ
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
-
µ
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
µ
F, C
O
=0.1
µ
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
-
µ
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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