KA278R51 查看數據表（PDF） - Fairchild Semiconductor
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KA278R51 Datasheet PDF : 8 Pages
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KA278R51
Absolute Maximum Ratings
Parameter
Input Voltage
Disable Voltage
Output Current
Power Dissipation 1
Power Dissipation 2
Junction Temperature
Operating Temperature
Symbol
Vin
Vdis
Io
Pd1
Pd2
Tj
Topr
Value
35
35
2.0
1.5
15
+150
-20 ~ +80
Unit
V
V
A
W
W
°C
°C
Remark
-
-
-
No Heatsink
With Heatsink
-
-
Electrical Characteristics
(Vin=7V, Io=1.0A, Ta = +25°C, unless otherwise specified)
Parameter
Output Voltage
Load Regulation
Line Regulation
Ripple Rejection Ratio
Dropout Voltage
Disable Voltage High
Disable Voltage Low
Disable Bias Current High
Disable Bias Current Low
Quiescent Current
Symbol
Vo
Rload
Rline
RR
Vdrop
VdisH
VdisL
IdisH
IdisL
Iq
Conditions
-
5mA < Io < 2A
6V < Vin < 12V
note1
Io = 2A
Output Active
Output Disabled
Vdis = 2.7V
Vdis = 0.4V
Io = 0A
Note:
1.These parameters, although guaranteed, are not 100% tested in production.
Min. Typ. Max. Unit
4.98 5.1 5.22
V
-
0.1
2.0
%
-
0.5
2.5
%
45
55
-
dB
-
-
0.5
V
2.0
-
-
V
-
-
0.8
V
-
-
20
µA
-
-
-0.4 mA
-
-
10
mA
2
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