參數(shù)資料
型號(hào): KA378R12C
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: Low Dropout Voltage Regulator
中文描述: 12 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, SFM4
封裝: TO-220F, 4 PIN
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 43K
代理商: KA378R12C
KA378R12C
2
Absolute Maximum Ratings
Electrical Characteristics
(Vin=15V, Io=1.5A, 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
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
R
θ
jc
Ttsd
T
stg
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
-
-
-
-
-
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
-
Min.
11.7
-
-
45
-
2.0
-
-
-
-
Typ.
12.0
0.1
0.5
55
-
-
-
-
-
-
Max.
12.3
2.0
2.5
-
0.5
-
0.8
20
-0.4
10
Unit
V
%
%
dB
V
V
V
μ
A
mA
mA
5mA < Io < 3A
13V < Vin < 29V
note1
Io = 3A
Output Active
Output Disabled
Vdis = 2.7V
Vdis = 0.4V
Io = 0A
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