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KA378R12C_05 Datasheet, PDF (2/8 Pages) Fairchild Semiconductor – Low Dropout Voltage Regulator Overcurrent Protection, Thermal Shutdown
KA378R12C
Absolute Maximum Ratings
Parameter
Input Voltage
Disable Voltage
Output Current
Power Dissipation 1
Power Dissipation 2
Junction Temperature
Operating Temperature
Thermal Resistance, Junction-to Case(Note2)
Thermal Shutdown Temperature
Storage Temperature
Symbol
Vin
Vdis
Io
Pd1
Pd2
Tj
Topr
Rθjc
Ttsd
Tstg
Value
35
35
3.0
1.5
15
150
-20 ~ 80
2.9
150
-65 ~ 150
Unit
V
V
A
W
W
°C
°C
°C/W
°C
°C
Remark
-
-
-
No Heatsink
With Heatsink
-
-
-
-
-
Electrical Characteristics
(Vin = 15V, Io = 1.5A, 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 < 3A
13V < Vin < 29V
Note1
Io = 3A
Output Active
Output Disabled
Vdis = 2.7V
Vdis = 0.4V
Io = 0A
Note:
1.These parameters, although guaranteed, are not 100% tested in production.
2. Junction -to-case thermal resistance test environments.
-.Pneumatic heat sink fixture.
-.Clamping pressure 60psi through 12mm diameter cylinder.
-.Thermal grease applied between PKG and heat sink fixture
Min. Typ. Max. Unit
11.7 12.0 12.3
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