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PDF WEJ78L18 Data sheet ( Hoja de datos )
| Número de pieza | WEJ78L18 | |
| Descripción | Three-terminal positive voltage regulator | |
| Fabricantes | WEJ | |
| Logotipo |  |
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WEJ78L18
WEJ78L18 Three-terminal positive voltage regulator
DFEATURES
TMaximum Output current
.,LIOM:
Output voltage
100
mA
VO: 18 V
SOT-89
1. OUT
2. GND
3. IN
1
2
3
OABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
CParameter
Symbol
Value
Input Voltage
Vi 35
ICOperating Junction Temperature Range
TOPR
-20~+120
Storage Temperature Range
TSTG
-55~+150
Unlts
V
℃
℃
NELECTRICAL CHARACTERISTICS (Vis=26V,Io=40mA,0℃<Tj<125℃,Ci=0.33µF,Co=0.1µF, unless otherwise specified )
OParameter
Symbol
Test conditions
MIN TYP MAX UNIT
ROutput voltage
Tj=25℃
17.3 18 18.7
V
Vo
17.5V≤Vi≤30V, Io=1mA~40mA
17.1 18 18.9
V
Vi=26V, Io=1mA~70mA
17.1
18
18.9
V
(note)
TLoad Regulation
∆Vo Tj=25℃, Io=1mA~100mA, Vi=26V
Tj=25℃, Io=1mA~40mA, V i=26V
27 180
19 90
mV
mV
ECLine regulation
∆Vo 20.5V≤Vi≤33V, Tj=25℃ ,Io=40mA
22V≤Vi≤33V, Tj=25℃,Io=40mA
70 360
64 300
mV
mV
Quiescent Current
LQuiescent Current Change
Output Noise Voltage
ERipple Rejection
JDropout Voltage
Iq
∆Iq
∆Iq
VN
RR
Vd
22V≤Vi≤33V, Io=40mA
1mA≤I O≤40mA, Vi=26V
10Hz≤f≤100KHz
21.5V≤Vi≤31.5V,f=120Hz,
25℃≤Tj≤125℃
Tj=25℃
4.7 6.5
1.5
0.1
89
32 36
1.7
mA
mA
mA
µV
dB
V
WETYPICAL APPLICATION
Vi 3
U 78L18
2
1 Vo
Ci C0
0.33µF
0.1µF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
Possible to the regulators.
WEJ ELECTRONIC CO.
Http:// www.wej.cn
E-mail:[email protected]
Free Datasheet http://www.datasheet4u.com/
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet WEJ78L18.PDF ] | |
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