CJ7912-TO-220 Datasheet, PDF (1/1 Pages) Jiangsu Changjiang Electronics Technology Co., Ltd – Three-terminal negative voltage regulator

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220 Encapsulate Voltage Regulator
CJ7912 Three-terminal negative 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 GND
2. IN
3.OUT
123
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Input Voltage
Thermal resistance junction-air
V_i
-35
RθJA
65
Thermal resistance junction-cases
RθJC
5
Operating Junction Temperature Range
Storage Temperature Range
T_OPR
T_STG
0-150
-65-150
Unit
V
℃/W
℃/W
℃
℃
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
Output voltage
T_J=25℃
Vo
-14.5V≤V _i≤-27V, Io=5mA-1A
P≤15W
-11.5
-12
-11.4
-12
-12.5
-12.6
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Output voltage drift
∆Vo
∆Vo
Iq
∆Iq
∆Iq
V_N
△Vo/△T
T_J=25℃, Io=5mA-1.5A
T_J=25℃, Io=250mA-750mA
-14.5V≤V _i≤-30V, T_J=25℃
-16V≤V _i≤-22V, T_J=25℃
T_J=25℃
-14.5V≤V _i≤-30V
5mA≤I _O≤1A
10Hz≤f≤100KHz
I_O=5mA
15
200
5
75
5
80
3
30
2
3
0.5
0.5
300
-0.8
Ripple Rejection
Dropout Voltage
Peak Current
RR
-15V≤V _i≤-25V,f=120Hz, T_J=25℃
Vd
T_J=25℃, Io=1A
Ipk
T_J=25℃
54
60
1.1
2.1
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
µV
mV/℃
dB
V
A
TYPICAL APPLICATION
Vi 2
Ci
2.2µF
C_UJ_T7_C912
1
3
Vo
Co
1µF