CJ7812-TO-220 Datasheet, PDF (1/2 Pages) Jiangsu Changjiang Electronics Technology Co., Ltd – Three-terminal positive voltage regulator

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