C0
0.1F
2
Ci
0.33F
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)
Parameter 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=0.33F,Co=0.1F, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
TYP
MAX
UNIT
Tj=25
11.5 12 12.5 V
14VV
l
27V, Io=1mA~40mA
11.4
12
12.6
V
Output voltage
Vo
14VV
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
14.5VV
l
27V, Tj=25
55
250 mV
Line regulation
Vo
16VV
l
27V, Tj=25
49
200 mV
Quiescent Current
Iq
4.3
6.5
mA
Iq 16VV
l
27V
1.5
mA
Quiescent Current Change
Iq 1mAI
O
40mA
0.1
mA
Output Noise VoItage
V
N
10Hzf100KHz
70
uV
Ripple Rejection
RR
15VV
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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