KA78XX/KA78XXA
Absolute Maximum Ratings
Parameter
Input Voltage (for V
O
= 5V to 18V)
(for V
O
= 24V)
Thermal Resistance Junction-Cases (TO-220)
Thermal Resistance Junction-Air (TO-220)
Operating Temperature Range (KA78XX/A/R)
Storage Temperature Range
Symbol
V
I
V
I
R
θJC
R
θJA
T
OPR
T
STG
Value
35
40
5
65
0 ~ +125
-65 ~ +150
°
Unit
V
V
C/W
°
°
°
C/W
C
C
Electrical Characteristics (KA7805/KA7805R)
(Refer to test circuit ,0
°
C < T
J
< 125
°
C, I
O
= 500mA, V
I
=10V, C
I
= 0.33µF, C
O
=0.1µF, unless otherwise specified)
Parameter
Symbol
T
J
=+25
o
C
Output Voltage
V
O
5.0mA
≤
Io
≤
1.0A, P
O
≤
15W
V
I
= 7V to 20V
T
J
=+25
o
C
T
J
=+25
o
C
T
J
=+25
o
C
I
O
= 5mA to 1.0A
V
I
= 7V to 25V
I
O
= 5mA
f = 10Hz to 100KHz, T
A
=+25
o
C
f = 120Hz
V
O
= 8V to 18V
I
O
= 1A, T
J
=+25
o
C
f = 1KHz
V
I
= 35V, T
A
=+25
o
C
T
J
=+25
o
C
V
O
= 7V to 25V
V
I
= 8V to 12V
I
O
= 5.0mA to1.5A
I
O
=250mA to 750mA
Conditions
KA7805
Min.
4.8
4.75
-
-
-
-
-
-
-
-
-
62
-
-
-
-
Typ. Max.
5.0
5.0
4.0
1.6
9
4
5.0
0.03
0.3
-0.8
42
73
2
15
230
2.2
5.2
5.25
100
50
100
50
8.0
0.5
1.3
-
-
-
-
-
-
-
V
mV
mV
mA
mA
mV/
o
C
µV/V
O
dB
V
mΩ
mA
A
Unit
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Regline
Regload
I
Q
∆I
Q
∆V
O
/∆T
V
N
RR
V
Drop
r
O
I
SC
I
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
2
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
