Jiangsu CJ7808 Three-terminal positive voltage regulator Datasheet

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-220-3L Plastic-Encapsulate Voltage Regulators
TO-220-3L
CJ7808
Three-terminal positive voltage regulator
FEATURES
z
z
z
1. IN
Maximum output current
IOM:1.5 A
Output voltage
VO: 8V
Continuous total dissipation
PD: 1.5W (Ta= 25 ℃ )
2. GND
1 2
3
3. OUT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Vi
35
V
Input Voltage
Thermal Resistance from Junction to Ambient
RθJA
66.7
Operating Junction Temperature Range
TOPR
-25~+125
Storage Temperature Range
TSTG
-65~+150
℃/W
℃
℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE(Vi=14V,Io=500mA, Ci=0.33μF, Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Output Voltage
Vo
Test conditions
25℃
Load Regulation
∆Vo
Line Regulation
∆Vo
Quiescent Current
Iq
Quiescent Current Change
Output Voltage Drift
∆Iq
∆VO/∆T
Max
Unit
7.7
8
8.3
V
7.6
8
8.4
V
25℃
12
160
mV
Io=250mA-750mA
25℃
4
80
mV
10.5V≤V i≤25V
25℃
6
160
mV
11V≤V i≤17V
25℃
2
80
mV
25℃
4.3
8
mA
10.5V≤V i≤25V
-25-125℃
1
mA
5mA≤IO≤1A
-25-125℃
0.5
mA
IO=5mA
-25-125℃
-0.8
mV/℃
25℃
52
μV/Vo
VN
10Hz≤f≤100KHz
Ripple Rejection
RR
11.5V≤V i≤21.5V,f=120Hz
Dropout Voltage
Vd
Io=1A
RO
Typ
Io=5mA-1.5A
Output Noise Voltage
Output Resistance
-25-125℃
10.5V≤V i≤23V, Io=5mA-1A
Min
-25-125℃
f=1KHZ
55
72
dB
25℃
2
V
25 ℃
10
mΩ
Short Circuit Current
Isc
25℃
450
mA
Peak Current
Ipk
25℃
2.2
A
* Pulse test.
TYPICAL APPLICATION
Vi
1
3
Vo
CJ7808
UTC
Ci
2
Co
0.33μF
0.1μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
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1
F,Jun,2016
Typical Characteristics
Dropout Characteristics
Output Characteristics
10
10
Tj=25℃
IO=0mA
Tj=25℃
8
4
2
0
=0
m
A
(V)
6
I
O
VO
6
OUTPUT VOLTAGE
OUTPUT VOLTAGE VO
(V)
8
IO=250mA、500mA、750mA、1A、1.5A
4
2
0
0
5
10
15
20
INPUT VOLTAGE
VIN
25
30
35
5
6
7
8
9
INPUT VOLTAGE
(V)
Quiescent Current vs Input Voltage
10
VIN
11
Current Cut-off Grid Voltage
10
4.0
IO=0mA
Tj=25℃
9
(V)
Pulsed
3.0
8
VO
IQ
(mA)
VIN=14V
Tj=25℃
3.5
2.5
OUTPUT VOLTAGE
QUIESCENT CURRENT
12
(V)
2.0
1.5
1.0
7
6
5
4
0.5
0.0
0
5
10
15
20
INPUT VOLTAGE
VIN
25
30
3
0.0
35
0.5
1.0
1.5
OUTPUT CURRENT
(V)
Output Voltage vs Junction Temperature
2.0
IO
2.5
(A)
Power Derating Curve
2.0
12
Vin=14V
(W)
1.5
PD
9
POWER DISSIPATION
OUTPUT VOLTAGE VO
(V)
IO=5mA
6
3
-25
0
25
50
JUNCTION TEMPERATURE
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75
TJ
100
125
1.0
0.5
0.0
-25
0
25
50
JUNCTION TEMPERATURE
(℃ )
2
75
TJ
100
125
(℃ )
F,Jun,2016
TO-220-3L Package Outline Dimensions
Symbol
A
A1
b
b1
c
c1
D
E
E1
e
e1
F
h
L
L1
Φ
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Dimensions In Millimeters
Min
Max
4.470
4.670
2.520
2.820
0.710
0.910
1.170
1.370
0.310
0.530
1.170
1.370
10.010
10.310
8.500
8.900
12.060
12.460
2.540 TYP
4.980
5.180
2.590
2.890
0.000
0.300
13.400
13.800
3.560
3.960
3.735
3.935
3
Dimensions In Inches
Min
Max
0.176
0.184
0.099
0.111
0.028
0.036
0.046
0.054
0.012
0.021
0.046
0.054
0.394
0.406
0.335
0.350
0.475
0.491
0.100 TYP
0.196
0.204
0.102
0.114
0.000
0.012
0.528
0.543
0.140
0.156
0.147
0.155
F,Jun,2016
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