JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-89 Encapsulate Three Terminal Voltage Regulator
ＳＯＴ－８９
CJ78L12
Three-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM:
0.1 A
Output voltage
V
o
: 12 V
ABSOLUTE MAXIMUM RATINGS（Operating temperature range applies
unless otherwise specified）
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
UTC78L05 ELECTRICAL CHARACTERISTICS
Symbol
V
l
T
OPR
T
STG
１．ＯＵＴ
２．ＧＮＤ
３．ＩＮ
１
２
３
Value
35
0—+125
-5—5-+150
Unlts
V
℃
℃
(VI=19V,Io=40mA,0℃<Tj<125℃,C1=0.33μF,Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Tj=25℃
Output voltage
V
o
14V≤V
l
≤27V,
Io=1mA-40mA
14.5V≤V
l
≤V
MAX
, Io=1mA-70mA
Load Regulation
△V
o
Tj=25℃, Io=1mA-100mA
Tj=25℃, Io=1mA-40mA
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise VoItage
Ripple Rejection
Dropout Voltage
TYPICAL APPLICATION
vi
△V
o
Iq
△Iq
△Iq
V
N
RR
Vd
3
UTC
CJ78L12
C1
0.33μF
2
C0
0.1μF
16V≤V
l
≤27V
1mA≤I
O
≤40mA
10Hz≤f≤100KHz
15V≤V
l
≤25V,f=120Hz,Tj=25℃
Tj=25℃
1
Vo
37
70
42
1.7
14.5V≤V
l
≤27V,
Tj=25℃
16V≤V
l
≤27V,
Tj=25℃
Test conditions
MIN
11.5
11.4
11.4
TYP
12
12
12
22
13
55
49
4.3
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
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 ]
