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WEJ7812 Datasheet دیتاشیت PDF دانلود

دیتاشیت - WEJ - Three-terminal positive voltage regulator

شماره قطعه WEJ7812
شرح مفصل Three-terminal positive voltage regulator
تولید کننده WEJ 
آرم WEJ 


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WEJ7812 شرح
RoHS
WEJ7812
WEJ7812 Three-terminal positive voltage regulator
TDFEATURES
Maximum Output current
.,LIOM: 1 A
Output voltage
Vo: 12 V
TO-220
1. IN
2. GND
3. OUT
123
COABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
ICInput Voltage
V i 40 V
Operating Junction Temperature Range
TOPR
0-125
NStorage Temperature Range
TSTG
-55-150
OELECTRICAL CHARACTERISTICS (Vi=19V,Io=500mA,0<Tj<125,Ci=0.33µF,Co=0.1µF, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN TYP MAX UNIT
R Tj=25
11.5 12.0 12.5
V
TOutput voltage
Vo 5.0mA<Io<1.0A, Po<15W
11.4 12
12.6
V
Vi=14.5V to 27V
CLoad Regulation
Vo Tj=25, Vi=14.5V to 30V
Tj=25, Vi=16V to 22V
10 240
3 120
mV
mV
ELine regulation
Vo Tj=25, IO=5.0mA to 1.5A
Tj=25, IO=250mA to 750mA
11 240
5.0 120
mV
mV
Quiescent Current
Iq Tj=25
5.1 8
mA
LQuiescent Current Change
Iq
IO=5.0mA to 1.0A
Vi=14.5V to 30V
0.5 mA
1.0 mA
EOutput Noise VoItage
VN f =10Hz to 100KHz,Ta=25
76
µV
Ripple Rejection
RR
f =120Hz, Vi=15V to 25V
55 71
dB
JDropout Voltage
Output resistance
Vd IO=1.0A,Tj=25
RO f = 1KHz
2V
18 m
EShort Circuit Current
Isc Vi=35V, Ta=25
230 mA
WPeak Current
Ipk Tj=25
2.2 A
TYPICAL APPLICATION
vi
1
3 Vo
U 7T8C12
Ci
0.33µF
2
Co
0.1µF
WEJ ELECTRONIC CO.
Http:// www.wej.cn
E-mail:wej@yongerjia.com
Free Datasheet http://www.datasheet4u.com/

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