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CJ78L12Datasheet PDF
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C0
0.1μF
2
Ci
0.33μF
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-23-3L Encapsulate Three Terminal Voltage Regulator
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)
Paramete
r
Symbol Value Unlts
Input Voltage V
l
35 V
Operating Junction Temperature Range T
OPR
0~+125
℃
Storage Temperature Range T
STG
-55~+150
℃
ELECTRICAL CHARACTERISTICS(VI=19V,Io=40mA,0℃<Tj<125℃,C1=0.33µF,Co=0.1µF, unless otherwise specified )
Parameter Symbol Test conditions MIN TYP MAX UNIT
Tj=25℃
11.5 12 12.5 V
14V≤V
l
≤27V, Io=1mA~40mA 11.4 12 12.6 V
Output voltage Vo
14V≤V
l
≤27V, Io=1mA~70mA 11.4 12 12.6
V
(note)
Tj=25℃, Io=1mA~100mA
22 100 mV
Load Regulation ∆Vo
Tj=25℃, Io=1mA~40mA
13 50 mV
14.5V≤V
l
≤27V, Tj=25℃
55 250 mV
Line regulation ∆Vo
16V≤V
l
≤27V, Tj=25℃
49 200 mV
Quiescent Current Iq 4.3 6.5 mA
∆Iq 16V≤V
l
≤27V 1.5 mA
Quiescent Current Change
∆Iq 1mA≤I
O
≤40mA 0.1 mA
Output Noise VoItage V
N
10Hz≤f≤100KHz 70 uV
Ripple Rejection RR
15V≤V
l
≤25V,f=120Hz,Tj=25℃
37 42 dB
Dropout Voltage Vd
Tj=25℃
1.7 V
TYPICAL APPLICATION vi 3 1 Vo
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
SOT-23-3L
1.
OUT
2. IN
3. GND
CJ78L12
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