1 2 3
2
Co
0.1F
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-251/TO-252-2L Plastic-Encapsulate Transistors
CJ7805
Three
-terminal positive voltage regulator
FEATURES
Maximum Output
current
I
OM
: 1.5 A
Output voltage
V
o
: 5V
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Input Voltage
V
i
35
V
Operating Junction Temperature Range
T
OPR
0-+125
Storage Temperature Range
T
STG
-55-+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
Tj=25
4.8 5.0 5.2
V
Output voltage
Vo
7VV
i
20V, Io=5mA-1A
Po< 15W
4.75 5.00 5.25
V
Tj=25
, Io=5mA-1.5A
9
100 mV
Load Regulation
Vo
Tj=25
, Io=250mA-750mA
4 50 mV
7VV
i
25V, Tj=25
4
100 mV
Line regulation
Vo
8VV
i
12V, Tj=25
1.6 50 mV
Quiescent Current
Iq
Tj=25
5 8 mA
Iq 7VV
i
25V
0.3
1.3
mA
Quiescent Current Change
Iq 5mAI
O
1A
0.03
0.5
mA
Output Noise Voltage
V
N
10Hz f 100KHz
42
uV
Ripple Rejection
RR
8VV
i
18V,f=120Hz,Tj=25
62 73
dB
Dropout Voltage
Vd
Tj=25
, Io=1A
2 V
Short Circuit Current
Isc
Vi=35V, Ta=25
230 mA
Peak Current
Ipk
Tj=25
2.2
A
TYPICAL APPLICATION
vi 1 3 Vo
UTC
Ci
0.33F
TO-251
TO-252-2
1.IN
2.GND
3.OUT
0. 51
0. 10
0. 51
0. 05
0 0. 10
1
.
6
0
0
.
1
5
9
.
7
0
0
.
2
0
0
.
7
5
0
.
1
0
2. 30
0. 10
6. 50
0. 15
5. 30
0. 10
0. 60
0. 10
0. 80
0. 10
2. 30
0. 10
2
.
7
0
0
.
2
0
2. 30
0. 10
5
.
5
0
0
.
1
0
1. 20
9
0. 51
0
.
6
0
5
5
5
1. 20
0. 51
0. 03
5
1
4
.
7
0
2. 30
0. 05
2. 30
0. 05
0. 80
0. 05
0. 60
0. 05
5. 30
0. 05
6. 50
0. 10
0. 51
0. 03
7
.
7
0
2. 30
0. 05
5
.
5
0
0
.
1
0
5
5
1 2 3
CJ7805
Typical Perfomance Characteristics
Figure 1. Quiescent Current
Figure 3. Output Voltage
Figure 2. Peak Output Current
Figure 4. Quiescent Current
I
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