Jiangsu CJ78L12 Three-terminal positive voltage regulator Datasheet

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-92 Encapsulate Three-terminal Voltage Regulators
TO-92
CJ78L12
Three-terminal positive voltage regulator
1.OUT
FEATURES
z
z
z
2.GND
Maximum output current
IOM: 0.1A
Output voltage
VO: 12V
Continuous total dissipation
PD: 0.625 W (Ta= 25 ℃ )
3.IN
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Vi
30
V
Input Voltage
Thermal Resistance from Junction to Ambient
RθJA
166.7
Operating Junction Temperature Range
TOPR
-25~+125
Storage Temperature Range
TSTG
-65~+150
℃/W
℃
℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE(VI=19V, Io=40mA, Ci=0.33μF,Co=0.1μF, unless otherwise specified )
Pa rameter
Symbol
Test conditions
Min
25℃
Output voltage
Vo
14V≤V l≤27V, Io=1mA-40mA
Io=1mA-70mA
Load Regulation
△Vo
Line regulation
△Vo
Quiescent Current
Quiescent Current Change
Io=1mA-100mA
△Iq
11.5
12
12.5
V
11.4
12
12.6
V
11.4
12
12.6
V
22
100
mV
25℃
13
50
mV
14.5V≤V l≤27V
25℃
55
250
mV
16V≤V l≤27V
25℃
49
200
mV
4.3
6.5
mA
16V≤V l≤27V
25℃
0-125℃
1.5
mA
1mA≤IO≤40mA
0-125℃
0.1
70
mA
μV/Vo
42
dB
1.7
V
VN
10Hz≤f≤100KHz
Ripple Rejection
RR
15V≤V l≤25V,f=120Hz
Dropout Voltage
Vd
Vi
Unit
25℃
Output Noise VoItage
* Pulse test.
TYPICAL APPLICATION
Max
Io=1mA-40mA
Iq
△Iq
0-125℃
Typ
25℃
0-125℃
25℃
3
1
37
Vo
UTC
CJ78L12
2
Co
Ci
0.1μF
0.33μF
Note : Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
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A,Jun,2014
E,Jun,2016
Typical Characteristics
Dropout Characteristics
Output Characteristics
14
16
TJ=25℃
IO=0mA
14
TJ=25℃
6
4
A
=0
m
I
VO
8
10
O
(V)
10
OUTPUT VOLTAGE
OUTPUT VOLTAGE VO
(V)
12
12
IO=40,70,100mA
8
6
2
0
4
0
5
10
15
20
INPUT VOLTAGE
25
VIN
30
35
8
9
10
11
12
INPUT VOLTAGE
(V)
VIN
13
14
Current Cut-off Grid Voltage
Quiescent Current
5
18
IO=0mA
VIN=19V
TJ=25℃
15
Pulsed
(V)
4
VO
IQ
(mA)
TJ=25℃
3
OUTPUT VOLTAGE
QUIESCENT CURRENT
15
(V)
2
1
12
9
6
3
0
0
0
5
10
15
INPUT VOLTAGE
20
VIN
25
30
0
40
80
120
OUTPUT CURRENT
(V)
Output Voltage vs Junction Temperature
160
IO
200
240
100
125
(mA)
Power Derating Curve
14
750
Vin=19V
12
11
10
-25
0
25
50
JUNCTION TEMPERATURE
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(mW)
625
PD
13
500
POWER DISSIPATION
OUTPUT VOLTAGE VO
(V)
IO=5mA
75
Ta
100
375
250
125
0
-25
125
(℃ )
0
25
50
JUNCTION TEMPERATURE
2
75
TJ (℃ )
A,Jun,2014
E,Jun,2016
TO-92 Package Outline Dimensions
Symbol
A
A1
b
c
D
D1
E
e
e1
L
Φ
h
Dimensions In Millimeters
Min
Max
3.300
3.700
1.100
1.400
0.380
0.550
0.360
0.510
4.300
4.700
3.430
4.300
4.700
1.270 TYP
2.440
2.640
14.100
14.500
1.600
0.000
0.380
Dimensions In Inches
Min
Max
0.130
0.146
0.043
0.055
0.015
0.022
0.014
0.020
0.169
0.185
0.135
0.169
0.185
0.050 TYP
0.096
0.104
0.555
0.571
0.063
0.000
0.015
TO-92 Suggested Pad Layout
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E,Jun,2016
TO-92 7DSHDQG5HHO
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E,Jun,2016
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