KA78R08
Absolute Maximum Ratings
Parameter
Symbol
Vin
Value
35
Unit
V
Remark
Input Voltage
-
Disable Voltage
Vdis
Io
35
V
-
Output Current
1.0
A
-
Power Dissipation 1
Power Dissipation 2
Junction Temperature
Operating Temperature
Pd1
Pd2
Tj
1.5
W
No Heatsink
15
W
With Heatsink
+150
-20 ~ +80
°C
°C
-
-
Topr
Electrical Characteristics
(Vin =10V, Io = 0.5A, Ta = 25°C , unless otherwise specified)
Parameter
Output Voltage
Symbol
Vo
Conditions
Min.
Typ.
Max.
8.2
2.0
2.5
-
Unit
V
-
7.8
8
Load Regulation
Rload
Rline
RR
5mA < Io < 1A
-
0.1
%
Line Regulation
9V < Vin < 25V
note1
-
45
-
0.5
%
Ripple Rejection Ratio
Dropout Voltage
55
-
dB
V
Vdrop
VdisH
VdisL
IdisH
IdisL
Iq
Io = 1A
0.5
-
Disable Voltage High
Disable Voltage Low
Disable Bias Current High
Disable Bias Current Low
Quiescent Current
Output Active
Output Disabled
Vdis = 2.7V
Vdis = 0.4V
Io = 0A
2.0
-
-
V
-
0.8
20
V
-
-
mA
mA
mA
-
-
-0.4
10
-
-
Note:
1.These parameters, although guaranteed, are not 100% tested in production.
2
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
