Jiangsu CJ7812 Three-terminal positive voltage regulator Datasheet

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220 Plastic-Encapsulate
Voltage Regulator
CJ7812 Three-terminal positive voltage regulator
TO-220
FEATURES
Maximum Output current IOM: 1.5 A
Output voltage Vo: 12 V
Continuous total dissipation
1.IN
2.GND
2 W (TJ = 25 ℃ )
PD:
123
3.OUT
15 W (TC= 25 ℃ )
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Vi
35
V
Input Voltage
Thermal resistance junction-air
RθJA
65
℃/W
Thermal resistance junction-cases
RθJC
5
℃/W
Operating Junction Temperature Range
TOPR
0-150
℃
TSTG
-65-150
℃
Storage Temperature Range
ELECTRICAL CHARACTERISTICS(Vi=19V,Io=500mA,0℃<TJ<125℃,Ci=0.33μF,Co=0.1μF,
Parameter
Symbol
Test conditions
TYP
MAX
UNIT
11.5
12.0
12.5
V
11.4
12
12.6
V
TJ=25℃, 14.5V≤ Vi ≤30V
10
240
mV
TJ=25℃, 16V≤Vi≤22V
3
120
mV
TJ=25℃
Output voltage
Vo
Io= 5.0mA-1.0A, P<15W
14.5V≤ Vi ≤27V
Load Regulation
∆Vo
Line regulation
∆Vo
Quiescent Current
Quiescent Current Change
Output voltage drift
Iq
∆Iq
△Vo/△T
unless otherwise specified )
MIN
TJ=25℃, IO=I5.0mA - 1.5A
11
240
mV
TJ=25℃, IO=250mA - 750mA
5.0
120
mV
TJ=25℃
5.1
8
mA
5.0mA≤ IO ≤1.0A
0.5
mA
14.5V ≤Vi≤ 30V
1.0
mA
IO=5mA
-1
mV/℃
76
μV
Output Noise VoItage
VN
f =10Hz to 100KHz,TJ=25℃
Ripple Rejection
RR
f =120Hz, 15V≤ Vi ≤25V
71
dB
Dropout Voltage
Vd
IO=1.0A,TJ=25℃
2
V
Output resistance
RO
f = 1KHz
18
mΩ
55
Short Circuit Current
Isc
Vi=35V, TJ=25℃
230
mA
Peak Current
Ipk
TJ=25℃
2.2
A
TYPICAL APPLICATION
Typical Characteristics
CJ7812
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