JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-23-3L Encapsulate Three Terminal Voltage Regulator
SOT-23-3L
CJ78L12
Three-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM:
0.1
Output voltage
V
o
:
12
1.
OUT
2.
IN
3. GND
A
V
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
l
T
OPR
T
STG
Value
35
0~+125
-55~+150
unless
Unlts
V
℃
℃
otherwise specified )
MAX
12.5
12.6
12.6
100
50
250
200
6.5
1.5
0.1
70
37
42
1.7
1
Vo
UNIT
V
V
V
(note)
mV
mV
mV
mV
mA
mA
mA
uV
dB
V
ELECTRICAL CHARACTERISTICS(VI=19V,Io=40mA,0℃<Tj<125℃,C1=0.33µF,Co=0.1µF,
Parameter
Symbol
Tj=25℃
Output voltage
Vo
14V≤V
l
≤27V,
Io=1mA~40mA
14V≤V
l
≤27V,
Io=1mA~70mA
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise VoItage
Ripple Rejection
Dropout Voltage
TYPICAL APPLICATION
vi
∆Vo
∆Vo
Iq
∆Iq
∆Iq
V
N
RR
Vd
3
16V≤V
l
≤27V
1mA≤I
O
≤40mA
10Hz≤f≤100KHz
15V≤V
l
≤25V,f=120Hz,Tj=25℃
Tj=25℃
CJ78L12
2
Tj=25℃, Io=1mA~100mA
Tj=25℃, Io=1mA~40mA
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
Ci
0.33μF
C0
0.1μF
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 ]
