JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220 Encapsulate Voltage Regulator
CJ7918
TO-220
Three-terminal positive voltage regulator
FEATURES
Maximum Output
current
I
OM:
V
o:
1.5
-18
A
V
Output voltage
1 GND
2. .IN
3.OUT
123
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
i
T
OPR
T
STG
Value
-35
-20-+125
-55-+150
Unit
V
℃
℃
ELECTRICAL CHARACTERISTICS(Vi=-23V,Io=500mA,0℃<Tj<125℃,Ci=0.33µF,Co=0.1µF,
unless otherwise specified )
Parameter
Output voltage
Symbol
Vo
Test conditions
Tj=25℃
-21V≤V
i
≤-33V,
Io=5mA-1A
Po< 15W
Tj=25℃, Io=5mA-1.5A
Tj=25℃, Io=250mA-750mA
-21V≤V
I
≤-33V,
Tj=25℃
-24V≤V
i
≤-30V,
Tj=25℃
Tj=25℃
-21V≤V
i
≤-33V
5mA≤I
O
≤1A
10Hz≤f≤100KHz
-22V≤V
i
≤-32V,f=120Hz,Tj=25℃
Tj=25℃, Io=1A
Tj=25℃
1
CJ7918
UTC
Ci
2.2µF
1
Co
1µF
3
Vo
54
MIN
-17.3
-17.1
TYP
-18
-18
30
10
30
10
2
MAX
-18.7
-18.9
360
180
360
180
3
1
0.5
450
60
1.1
2.1
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
µV
dB
V
A
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Peak Current
Vi
∆Vo
∆Vo
Iq
∆Iq
∆Iq
V
N
RR
Vd
Ipk
2
TYPICAL APPLICATION
JIANGSU [ JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ]
