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KA278R09TU 数据表(PDF) 2 Page - Fairchild Semiconductor

部件名 KA278R09TU
功能描述  Low Dropout Voltage Regulator
Download  8 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

KA278R09TU 数据表(HTML) 2 Page - Fairchild Semiconductor

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KA278R09
2
Absolute Maximum Ratings
Electrical Characteristics
(Vin=11V, Io=1.0A, Ta=25
°C , unless otherwise specified)
Note:
1. These parameters, although guaranteed, are not 100% tested in production.
2. Junction -to -case thermal resistance test enviroments.
-. Pneumatic heat sink fixture.
-. Clamping pressure 60psi through 12mm diameter cylinder.
-. Thermal grease applied between PKG and heat sink fixture
Parameter
Symbol
Value
Unit
Remark
Input Voltage
Vin
35
V
-
Disable Voltage
Vdis
35
V
-
Output Current
Io
2.0
A
-
Power Dissipation 1
Pd1
1.5
W
No Heatsink
Power Dissipation 2
Pd2
15
W
With Heatsink
Junction Temperature
Tj
150
°C-
Operating Temperature
Topr
-20~80
°C-
Thermal Resistance, Junction-to Case (Note2)
R
θjc
2.9
°C/W
-
Thermal Resistance, Junction-to-Air (Note2)
R
θja
48.51
°C/W
-
Thermal Shutdown Temperature
Ttsd
150
°C-
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
Vo
-
8.78
9
9.22
V
Load Regulation
Rload
5mA < Io < 2A
-
0.1
2.0
%
Line Regulation
Rline
10V < Vin < 25V
-
0.5
2.5
%
Ripple Rejection Ratio
RR
note1
45
55
-
dB
Dropout Voltage
Vdrop
Io = 2A
-
-
0.5
V
Disable Voltage High
VdisH
Output Active
2.0
-
-
V
Disable Voltage Low
VdisL
Output Disabled
-
-
0.8
V
Disable Bias Current High
IdisH
Vdis = 2.7V
-
-
20
µA
Disable Bias Current Low
IdisL
Vdis = 0.4V
-
-
-0.4
mA
Quiescent Current
Iq
Io = 0A
-
-
10
mA


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