JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-89 Encapsulate Three Terminal Voltage Regulator
CJ78L08 Three-terminal positive voltage regulator
FEATURES
Maximum Output current
IOM: 0.1 A
Output voltage
Vo: 8 V
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies
unless otherwise specified)
SOT-89
1.OUT
2.GND
3.IN
13
2
Parameter
Symbol
Value
Input Voltage
Operating Junction Temperature Range
Vl
T OPR
30
0—+125
Storage Temperature Range
T STG
1
-55—+150
ELECTRICAL CHARACTERISTICS
(VI=14V,Io=40mA,0℃<Tj<125℃,C1=0.33μF,Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
Output voltage
Tj=25℃
7.7
Vo
10.5V≤V l≤23V, Io=1mA-40mA
7.6
10.5V≤V l≤VMAX, Io=1mA-70mA 7.6
Load Regulation
△Vo
Tj=25℃, Io=1mA-100mA
Tj=25℃, Io=1mA-70mA
Line regulation
Quiescent Current
△Vo
Iq
10.5V≤V l≤23V, Tj=25℃
11V≤V l≤23V, Tj=25℃
25℃
Quiescent Current Change
△Iq
11V≤V l≤23V
△Iq
1mA≤IO≤40mA
Output Noise VoItage
VN
10Hz≤f≤100KHz
Ripple Rejection
RR
13V≤V l≤23V,f=120Hz,Tj=25℃
37
Dropout Voltage
Vd
Tj=25℃
TYPICAL APPLICATION
vi
3
1
Vo
UCJT7C8L08
2
C1
0.33μF
C0
0.1μF
TYP
8.0
8.0
8.0
18
10
42
36
4
54
46
1.7
Unlts
V
℃
℃
MAX
8.3
8.4
8.4
80
40
175
125
6
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.