JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220 Plastic-Encapsulate Voltage Regulator
CJ7805
Three
-terminal positive voltage regulator
FEATURES
Maximum Output current
I
OM
: 1.5 A
Output voltage V
o
: 5V
Continuous total dissipation
P
D
: 2 W (T
J
= 25
)
ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Input Voltage
V
i
35
V
Thermal resistance junction-air
RJA
65
/W
Thermal resistance junction-cases
RJC 5
/W
Operating Junction Temperature Range
T
OPR
0-150
Storage Temperature Range
T
STG
-65-150
ELECTRICAL CHARACTERISTICS
(Vi=10V,Io=500mA,0
<Tj<125,Ci=0.33F,Co=0.1F, unless otherwise specified )
Parameter
Symbol
Test conditions
MIN
TYP
MAX
UNIT
T
J
=25 4.8
5.0
5.2
V
Output voltage
Vo
7VV
i
20V,Io=5mA-1A, P<15W 4.75
5.00
5.25
V
T
J
=25 , Io=5mA
-1.5A
15
100
mV
Load Regulation
Vo
T
J
=25 , Io=250mA
-750mA
5
50
mV
7VV
i
25V, T
J
=25
3
100
mV
Line regulation
Vo
8VV
i
12V, T
J
=25
1
50
mV
Quiescent Current
Iq
T
J
=25
4.2
8
mA
7VV
i
25V
1.3
mA
Quiescent Current Change
Iq
5mAI
O
1A
0.5
mA
Output Noise Voltage
V
N
10Hzf100KHz
40
uV
Output voltage drift
Vo/ T
I
O
=5mA
-1.1 mV/
Ripple Rejection
RR
8VV
i
18V,f=120Hz, T
J
=25 62
78 dB
Dropout Voltage
Vd
T
J
=25 , Io=1A
2
V
Output resistance
R
O
f=1KH
Z
10
m
Short Circuit Current
Isc
Vi=35V, T
J
=25
750
mA
Peak Current
Ipk
T
J
=25
2.2
A
TYPICAL APPLICATION
1 2 3
TO-220
1.IN
2.GND
3.OUT
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