CJ78L18 データシートの表示（PDF） - Jiangsu Changjiang Electronics Technology Co., Ltd
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CJ78L18
Jiangsu Changjiang Electronics Technology Co., Ltd
CJ78L18 Datasheet PDF : 2 Pages
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JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-92 Encapsulate Three-terminal Voltage Regulator
CJ78L18 Three-terminal positive voltage regulator
FEATURES
Maximum Output current
IOM: 0.1 A
Output voltage
Vo: 18 V
ABSOLUTE MAXIMUM RATINGS（Operating temperature range applies unless
otherwise specified）
ＴＯ－９２
１．ＯＵＴ
２．ＧＮＤ
３．ＩＮ
Parameter
Symbol
Value
1 23
Unlts
Input Voltage
Operating Junction Temperature Range
Vi
TOPR
35
0—+125
Storage Temperature Range
TSTG
-55—+150
UTC78L05 ELECTRICAL CHARACTERISTICS
(VI=19V,Io=40mA,0℃<Tj<125℃,C1=0.33μF,Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
Output voltage
Tj=25℃
17.3
Vo
21V≤V l≤33V, Io=1mA-40mA
17.1
21V≤V l≤VMAX, Io=1mA-70mA
17.1
Load Regulation
△Vo
Tj=25℃, Io=1mA-100mA
Tj=25℃, Io=1mA-40mA
Line regulation
Quiescent Current
△Vo
Iq
20.5V≤V l≤33V, Tj=25℃
22V≤V l≤33V, Tj=25℃
25℃
Quiescent Current Change
△Iq
21V≤V l≤33V
△Iq
1mA≤IO≤40mA
Output Noise VoItage
VN
10Hz≤f≤100KHz
Ripple Rejection
RR
23V≤V l≤33V,f=120Hz,Tj=25℃
32
Dropout Voltage
Vd
Tj=25℃
TYPICAL APPLICATION
vi
3
1
Vo
UCJT7C8L18
2
C1
0.33μF
C0
0.1μF
TYP
18
18
18
27
19
70
60
4.7
89
36
1.7
V
℃
℃
MAX
18.7
18.9
18.9
180
90
360
300
6.5
1.5
0.1
UNIT
V
V
V
(note)
mV
mV
mV
mV
mA
mA
mA
uV
dB
V
Note : Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
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