RoHS
WEJ78L15
WEJ78L15
FEATURES
Three-terminal positive voltage regulator
TO-92
1. OUT
2. GND
Maximum Output
current
I
OM:
Output voltage
0.1
15
A
V
3. IN
V
O
:
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
i
T
OPR
T
STG
Value
30
ELECTRICAL CHARACTERISTICS (Vis=23V,Io=40mA,0℃<Tj<125℃,C1=0.33µF,Co=0.1µF, unless otherwise specified )
Parameter
Symbol
Test conditions
Tj=25℃
MIN
14.4
14.25
14.25
TYP
15
15
15
25
15
65
58
4.6
19V≤Vi≤30V, Io=40mA
1mA≤I
O
≤40mA,
Vi=23V
10Hz≤f≤100KHz, Ts=25℃
18.5V≤Vi≤28.5V,f=120Hz,
25℃≤Tj≤125℃
Tj=25℃
3
U
78L15
2
Ci
0.33µF
C0
0.1µF
1
Vo
82
34
39
1.7
MAX
15.6
15.75
15.75
150
75
300
250
6.5
1.5
0.1
UNIT
V
V
V
(note)
mV
mV
mV
mV
mA
mA
mA
µV
dB
V
Output voltage
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
W
Dropout Voltage
TYPICAL APPLICATION
J
E
E
C
E
L
Vo
∆Vo
∆Vo
Iq
∆Iq
∆Iq
V
N
RR
Vd
vi
17.5V≤V
i
≤30V,
Io=1mA~40mA
V
i
=23V, Io=1mA~70mA
Tj=25℃, Io=1mA-100mA, V
i
=23V
Tj=25℃, Io=1mA-40mA, V
i
=23V
R
T
O
N
C
I
C
O
1 2 3
L
,
.
Unlts
V
℃
℃
D
T
0~+150
-55~+150
17.5V≤Vi≤30V, Tj=25℃ ,Io=40mA
19V≤Vi≤30V, Tj=25℃,Io=40mA
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:wej@yongerjia.com
WINNERJOIN [ SHENZHEN YONGERJIA INDUSTRY CO.,LTD ]
