JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220F Encapsulate Three-terminal Voltage Regulator
CJ7812F
Three
-terminal positive voltage regulator
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
℃
)
TO-220F
123
1. IN
2. GND
3. OUT
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
0-150
-65-150
Unit
V
℃
℃
unless otherwise specified )
TYP
12.0
12
10
3
11
5.0
5.1
MAX
12.5
12.6
240
120
240
120
8
0.5
1.0
76
55
71
2
18
230
2.2
3
UTC
CJ7812F
Ci
0.33μF
2
Co
0.1μF
Vo
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
dB
V
mΩ
mA
A
ELECTRICAL CHARACTERISTICS(Vi=19V,Io=500mA,0℃<T
J
<125℃,Ci=0.33μF,Co=0.1μF,
Parameter
Output voltage
Symbol
T
J
=25℃
Vo
Io=5.0mA-1.0A, P≤15W
14.5V≤ V
i
≤27V
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise VoItage
Ripple Rejection
Dropout Voltage
Output resistance
Short Circuit Current
Peak Current
TYPICAL APPLICATION
∆Vo
∆Vo
Iq
∆Iq
V
N
RR
V
d
R
O
Isc
Ipk
Vi
T
J
=25℃, 14.5V≤ Vi ≤30V
T
J
=25℃, 16V≤V
i
≤22V
T
J
=25℃, I
O
=5.0mA-1.5A
T
J
=25℃, I
O
=250mA-750mA
T
J
=25℃
5.0mA≤ I
O
≤1.0A
14.5V ≤V
i
≤ 30V
f =10Hz to 100KHz,T
J
=25℃
f =120Hz, 15V≤ V
i
≤25V
I
O
=1.0A,T
J
=25℃
f = 1KHz
V
i
=35V, T
J
=25℃
T
J
=25℃
1
Test conditions
MIN
11.5
11.4
JIANGSU [ JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ]
