JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220F Plastic-Encapsulate Voltage Regulator
CJ7912F
TO-220F
Three-terminal
negative
voltage regulator
FEATURES
Maximum Output
Current
I
OM
: 1.5 A
Output voltage
V
o :
12 V
1. GND
2. IN
3. OUT
ABSOLUTE MAXIMUM RATINGSO ( perating 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
0-+125
-55-+150
Unit
V
℃
℃
ELECTRICAL CHARACTERISTICS
(Vi=-19V, Io= 500mA, 0℃<T
J
<125℃,Ci=2µF, Co=0.1µF, unless otherwise specified )
Parameter
Output voltage
Symbol
T
J
=25℃
Vo
-14.5V≤V
i
≤-27V,
Io=5mA-1A P≤15W
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
-15V≤V
i
≤-25V,
f=120Hz, T
J
=25℃
T
J
=25℃, Io=1A
T
J
=25℃
54
300
60
1.1
2.1
Test conditions
MIN
-11.5
-11.4
TYP
-12
-12
15
5
5
3
2
MAX
-12.5
-12.6
200
75
80
30
3
0.5
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
µV
dB
V
A
Load Regulation
∆Vo
∆Vo
Iq
∆Iq
∆Iq
V
N
RR
Vd
Ipk
Line regulation
Quiescent Current
Quiescent
Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Peak Current
Current
TYPICAL APPLICATION
Vi
1
CJ7912F
UTC
2
Ci
3
Vo
Co
1µF
2µF
JIANGSU [ JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ]
