JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-89 Encapsulate Three-terminal Voltage Regulator
CJ78L18
Three-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM:
V
o
:
0.1 A
Output voltage
18 V
SOT-89
1. OUT
1
2. GND
3. IN
2
3
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
35
0—+125
-55—+150
Unlts
V
℃
℃
ELECTRICAL CHARACTERISTICS (VI=26V,Io=40mA,0
℃
<Tj<125
℃,C1=0.33µF,Co=0.1µF,
unless otherwise specified )
Parameter
Symbol
Tj=25℃
Output voltage
Vo
21V≤V
l
≤33V,
Io=1mA-40mA
21V≤V
l
≤33V,
Io=1mA-70mA
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise VoItage
Ripple Rejection
Dropout Voltage
Vi
△Vo
△Vo
Iq
△Iq
△Iq
V
N
RR
Vd
3
UTC
CJ78L18
2
Ci
0.33µF
C0
0.1µF
Tj=25
℃
, Io=1mA-100mA
Tj=25
℃
, Io=1mA-40mA
20.5V≤V
l
≤33V,
Tj=25℃
22V≤V
l
≤33V,
Tj=25℃
25℃
21V≤V
l
≤33V
1mA≤I
O
≤40mA
10Hz≤f≤100KHz
23V≤V
l
≤33V,f=120Hz,Tj=25℃
Tj=25℃
1
Vo
Test conditions
MIN
17.3
17.1
17.1
TYP
18
18
18
27
19
70
60
4.7
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
32
89
36
1.7
TYPICAL APPLICATION
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
Possible to the regulators.
JIANGSU [ JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ]
