參數(shù)資料
型號: KA278R51
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 基準電壓源/電流源
英文描述: Low Dropout Voltage Regulator(低壓差穩(wěn)壓器)
中文描述: 5.1 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSFM4
封裝: TO-220F, 4 PIN
文件頁數(shù): 2/8頁
文件大?。?/td> 50K
代理商: KA278R51
KA278R51
2
Absolute Maximum Ratings
Electrical Characteristics
(Vin=7V, Io=1.0A, Ta = +25
°
C
, unless otherwise specified)
Note:
1.These parameters, although guaranteed, are not 100% tested in production.
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
-
-
Parameter
Symbol
Vo
Rload
Rline
RR
Vdrop
VdisH
VdisL
IdisH
IdisL
Iq
Conditions
-
Min.
4.98
-
-
45
-
2.0
-
-
-
-
Typ.
5.1
0.1
0.5
55
-
-
-
-
-
-
Max.
5.22
2.0
2.5
-
0.5
-
0.8
20
-0.4
10
Unit
V
%
%
dB
V
V
V
μ
A
mA
mA
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
5mA < Io < 2A
6V < Vin < 12V
note1
Io = 2A
Output Active
Output Disabled
Vdis = 2.7V
Vdis = 0.4V
Io = 0A
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