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PDF WEJ78L12 Data sheet ( Hoja de datos )
| Número de pieza | WEJ78L12 | |
| Descripción | Three-terminal positive voltage regulator | |
| Fabricantes | WEJ | |
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WEJ78L12
WEJ78L12 Three-terminal positive voltage regulator
DFEATURES
Maximum Output current
TIOM: 0.1 A
Output voltage
.,LVo: 12 V
Operating and storage junction temperature range
TJ, Tstg: -55℃to +150℃
SOT-23-3L
1. OUT
2. IN
3. GND
2. 80¡ À0. 05
1. 60¡ À0. 05
OABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
CParameter
Symbol
Value
Input Voltage
V l 35
ICOperating Junction Temperature Range
TOPR
0~+125
Unlts
V
℃
NStorage Temperature Range
TSTG
-55~+150
℃
UTC78L05 ELECTRICAL CHARACTERISTICS
O(VI=19V,Io=40mA,0℃<Tj<125℃,C1=0.33µF,Co=0.1µF, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
TROutput voltage
Tj=25℃
11.5
Vo
14 V≤V l≤27V, Io=1mA~40mA
11.4
14V≤V l≤VMAX, Io=1mA~70mA
11.4
CLoad Regulation
ELine regulation
LQuiescent Current
EQuiescent Current Change
JOutput Noise VoItage
Ripple Rejection
EDropout Voltage
WTYPICAL APPLICATION
∆Vo Tj=25℃, Io=1mA~100mA
Tj=25℃, Io=1mA~40mA
∆Vo 14.5V≤V l≤27V, Tj=25℃
16V≤V l≤27V, Tj=25℃
Iq
∆Iq 16V≤V l≤27V
∆Iq 1mA≤V l≤40mA
VN 10Hz≤f≤100KHz
RR 15V≤V l≤25V,f=120Hz,Tj=25℃
Vd Tj=25℃
vi 3
1 Vo
UT7C8L12
37
TYP
12
12
12
22
13
55
49
4.3
70
42
1.7
MAX
12.5
12.6
12.6
100
50
250
200
6.5
1.5
0.1
UNIT
V
V
V
(note)
mV
mV
mV
mV
mA
mA
mA
uV
dB
V
C1
0.33µF
2
C0
0.1µF
Note 1: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
Free Datasheet http://www.datasheet4u.com/
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