三极管正压电源 CJ7805 数据手册说明书
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5.6
5.2
I
=0A
O
4.8
I
=0.5A
O
4.4
I
=1A
O
I
=1.5A
O
4.0
TJ=25℃
3.6
3.2 5.8
6 5
6.0
6.2
6.4
6.6
6.8
7.0
7.2
7.4
7.6
INPUT VOLTAGE VIN (V)
Current Cut-off Grid Voltage
VIN=10V TJ=25℃
Pulsed
0.043
0.051
3
F,Jun,2016
To-252(4R)-2L Tape and Reel
4
F,Jun,2016
FEATURES
z Maximum output current IOM: 1.5 A
z Output voltage VO: 5V
z Continuous total dissipation PD: 1.25 W (Ta= 25 ℃ )
1.IN 2.GND 3.OUT
TO-251-3L
1 23
TO-252-2L
0.000
0.004
0.031
0.055
0.028
0.032
0.018
0.022
0.018
0.022
0.256
0.264
0.202
0.215
0.236
0.244
0.090 TYP.
0.170
0.186
0.070REF.
0.018REF.
0.386
0.409
0.114REF.
0.055
0.067
0.190 REF.
△Vo
△Vo
Iq
△Iq
VN △Vo/△T
RR Vd RO Isc Ipk
Io=5mA-1.5A Io=250mA-750mA 7V≤Vi≤25V 8V≤Vi≤12V
7V≤Vi≤25V 5mA≤IO≤1A 10Hz≤f≤100KHz IO=5mA 8V≤Vi≤18V,f=120Hz Io=1A f=1KHZ
2 1
3
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Input Voltage Thermal Resistance from Junction to Air Operating Junction Temperature Range Storage Temperature Range
Quiescent Current
Quiescent Current Change
Output Noise Voltage Output voltage drift Ripple Rejection Dropout Voltage Output resistance Short Circuit Current Peak Current * Pulse test. TYPICAL APPLICATION
4
3
2
1
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT IO (A)
Power Derating Curve
1.50
1.25
1.00
0.75
0.50
0.25
0.00 -25
0
25
50
75
100
125
JUNCTION TEMPERATURE TJ (℃)
2 Ci
0.33μF
Co 0.1μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
1
F,Jun,2016
Typical Characteristics
OUTPUT VOLTAGE VO (V)
QUIESCENT CURRENT IQ (mA)
Output Characteristics
7
IO=0mA
6
TJ=25℃
5
4
3
2
1
0
0
5
10
15
20
25
30
Vi 1 UTCCJ7805
25℃ 25℃ 25℃ 25℃ 25℃ -25-125℃ -25-125℃ 25℃ -25-125℃ -25-125℃ 62 25℃ 25℃ 25℃ 25℃
3
Vo
9
100
4
50
4
100
1.6
50
5
8
0.3
1.3
0.03 0.5
42
-1.1
73
2
10
230
2.2
mV mV mV mV mA mA mA μV/Vo mV/℃ dB V mΩ mA A
0
-25
0
25
50
75
100
125
JUNCTION TEMPERATURE TJ (℃)
OUTPUT VOLTAGE VO (V)
POWER DISSIPATION PD (W)
OUTPUT VOLTAGE VO (V)
OUTPUT VOLTAGE VO (V)
Dropout Characteristics
35
INPUT VOLTAGE VIN (V)
Quiescent Current
4
IO=0mA TJ=25℃
3
2
1
0
0
5
10
15
20
25
30
35
INPUT VOLTAGE VIN (V)
Output Voltage vs Junction Temperature
7
6
5
4
3
2
1
VIN=10V
IO=5mA
6.500
6.700
5.130
5.460
6.000
6.200
2.286 TYP.
4.327
4.727
1.778REF.
0.762REF.
9.800
10.400
2.9REF.
1.400
1.700
4.830 REF.
1.100
1.300
Dimensions In Inches
Min.
Max.
0.087
0.094
2
F,Jun,2016
Symbol
A A1 B b c c1 D D1 E e e1 M N L L1 L2 V ĭ
Dimensions In Millimeters
Min.Байду номын сангаас
Max.
2.200
2.380
0.000
0.100
0.800
1.400
0.710
0.810
0.460
0.560
0.460
0.560
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-251-3L/TO-252-2L Plastic-Encapsulate Voltage Regulators
CJ7805 Three-terminal positive voltage regulator
Vi RθJA TOPR TSTG
35 80 -25~+125 -65~+150
V
℃/W ℃ ℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=10V,Io=500mA,Ci=0.33μF, Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
Min Typ Max Unit
Output Voltage
25℃
4.8 5.0
5.2
V
Vo
7V≤Vi≤20V, Io=5mA-1A -25-125℃ 4.75 5.00 5.25
V
Load Regulation
Line Regulation
5.2
I
=0A
O
4.8
I
=0.5A
O
4.4
I
=1A
O
I
=1.5A
O
4.0
TJ=25℃
3.6
3.2 5.8
6 5
6.0
6.2
6.4
6.6
6.8
7.0
7.2
7.4
7.6
INPUT VOLTAGE VIN (V)
Current Cut-off Grid Voltage
VIN=10V TJ=25℃
Pulsed
0.043
0.051
3
F,Jun,2016
To-252(4R)-2L Tape and Reel
4
F,Jun,2016
FEATURES
z Maximum output current IOM: 1.5 A
z Output voltage VO: 5V
z Continuous total dissipation PD: 1.25 W (Ta= 25 ℃ )
1.IN 2.GND 3.OUT
TO-251-3L
1 23
TO-252-2L
0.000
0.004
0.031
0.055
0.028
0.032
0.018
0.022
0.018
0.022
0.256
0.264
0.202
0.215
0.236
0.244
0.090 TYP.
0.170
0.186
0.070REF.
0.018REF.
0.386
0.409
0.114REF.
0.055
0.067
0.190 REF.
△Vo
△Vo
Iq
△Iq
VN △Vo/△T
RR Vd RO Isc Ipk
Io=5mA-1.5A Io=250mA-750mA 7V≤Vi≤25V 8V≤Vi≤12V
7V≤Vi≤25V 5mA≤IO≤1A 10Hz≤f≤100KHz IO=5mA 8V≤Vi≤18V,f=120Hz Io=1A f=1KHZ
2 1
3
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Input Voltage Thermal Resistance from Junction to Air Operating Junction Temperature Range Storage Temperature Range
Quiescent Current
Quiescent Current Change
Output Noise Voltage Output voltage drift Ripple Rejection Dropout Voltage Output resistance Short Circuit Current Peak Current * Pulse test. TYPICAL APPLICATION
4
3
2
1
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT IO (A)
Power Derating Curve
1.50
1.25
1.00
0.75
0.50
0.25
0.00 -25
0
25
50
75
100
125
JUNCTION TEMPERATURE TJ (℃)
2 Ci
0.33μF
Co 0.1μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as
possible to the regulators.
1
F,Jun,2016
Typical Characteristics
OUTPUT VOLTAGE VO (V)
QUIESCENT CURRENT IQ (mA)
Output Characteristics
7
IO=0mA
6
TJ=25℃
5
4
3
2
1
0
0
5
10
15
20
25
30
Vi 1 UTCCJ7805
25℃ 25℃ 25℃ 25℃ 25℃ -25-125℃ -25-125℃ 25℃ -25-125℃ -25-125℃ 62 25℃ 25℃ 25℃ 25℃
3
Vo
9
100
4
50
4
100
1.6
50
5
8
0.3
1.3
0.03 0.5
42
-1.1
73
2
10
230
2.2
mV mV mV mV mA mA mA μV/Vo mV/℃ dB V mΩ mA A
0
-25
0
25
50
75
100
125
JUNCTION TEMPERATURE TJ (℃)
OUTPUT VOLTAGE VO (V)
POWER DISSIPATION PD (W)
OUTPUT VOLTAGE VO (V)
OUTPUT VOLTAGE VO (V)
Dropout Characteristics
35
INPUT VOLTAGE VIN (V)
Quiescent Current
4
IO=0mA TJ=25℃
3
2
1
0
0
5
10
15
20
25
30
35
INPUT VOLTAGE VIN (V)
Output Voltage vs Junction Temperature
7
6
5
4
3
2
1
VIN=10V
IO=5mA
6.500
6.700
5.130
5.460
6.000
6.200
2.286 TYP.
4.327
4.727
1.778REF.
0.762REF.
9.800
10.400
2.9REF.
1.400
1.700
4.830 REF.
1.100
1.300
Dimensions In Inches
Min.
Max.
0.087
0.094
2
F,Jun,2016
Symbol
A A1 B b c c1 D D1 E e e1 M N L L1 L2 V ĭ
Dimensions In Millimeters
Min.Байду номын сангаас
Max.
2.200
2.380
0.000
0.100
0.800
1.400
0.710
0.810
0.460
0.560
0.460
0.560
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-251-3L/TO-252-2L Plastic-Encapsulate Voltage Regulators
CJ7805 Three-terminal positive voltage regulator
Vi RθJA TOPR TSTG
35 80 -25~+125 -65~+150
V
℃/W ℃ ℃
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=10V,Io=500mA,Ci=0.33μF, Co=0.1μF, unless otherwise specified )
Parameter
Symbol
Test conditions
Min Typ Max Unit
Output Voltage
25℃
4.8 5.0
5.2
V
Vo
7V≤Vi≤20V, Io=5mA-1A -25-125℃ 4.75 5.00 5.25
V
Load Regulation
Line Regulation