Jiangsu CJ7912 Three-terminal negative voltage regulator Datasheet

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220 Encapsulate Voltage Regulator
TO-220
CJ7912
Three-terminal negative voltage regulator
FEATURES
Maximum Output current IOM: 1.5 A
Output voltage Vo: - 12 V
Continuous total dissipation
2 W (TJ = 25 ℃ )
PD:
15 W (TC= 25 ℃ )
1 GND
2. IN
3.OUT
123
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Vi
-35
V
Thermal resistance junction-air
RθJA
65
℃/W
Thermal resistance junction-cases
RθJC
5
℃/W
Operating Junction Temperature Range
TOPR
0-150
℃
Storage Temperature Range
TSTG
-65-150
℃
Input Voltage
ELECTRICAL CHARACTERISTICS(Vi=-19V,Io=500mA,0℃<TJ<125℃,Ci=0.33µF,Co=0.1µF, unless otherwise specified )
Parameter
Symbol
Output voltage
∆Vo
Line regulation
∆Vo
Quiescent Current
Iq
∆Iq
∆Iq
VN
Quiescent Current Change
Output Noise Voltage
Output voltage drift
MIN
-11.5
TYP
-12
MAX
-12.5
UNIT
V
-11.4
-12
-12.6
V
TJ=25℃, Io=5mA-1.5A
15
200
mV
TJ=25℃, Io=250mA-750mA
5
75
mV
-14.5V≤V i≤-30V, TJ=25℃
5
80
mV
-16V≤V i≤-22V, TJ=25℃
3
30
mV
TJ=25℃
-14.5V≤V i≤-30V
5mA≤I O≤1A
10Hz≤f≤100KHz
IO=5mA
2
3
mA
0.5
0.5
300
-0.8
mA
mA
µV
mV/℃
60
dB
TJ=25℃
-14.5V≤V i≤-27V, Io=5mA-1A
P≤15W
Vo
Load Regulation
Test conditions
△Vo/△T
54
Ripple Rejection
RR
-15V≤V i≤-25V,f=120Hz, TJ=25℃
Dropout Voltage
Vd
TJ=25℃, Io=1A
1.1
V
Peak Current
Ipk
TJ=25℃
2.1
A
TYPICAL APPLICATION
Vi
2
3
Vo
CJ7912
UTC
Ci
2.2µF
1
Co
1µF
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