3083 Просмотр технического описания (PDF) - Linear Technology
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3083 Datasheet PDF : 28 Pages
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LT3083
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
Dropout Voltage, FE/DF Packages
400
350
TJ = 125°C
300
250
TJ = 25°C
200
150
TJ = –50°C
100
50
0
0 0.5 1 1.5 2 2.5 3
LOAD CURRENT (A)
3083 G10
Dropout Voltage, T/Q Packages
(Minimum IN Voltage)
500
450
400
350
ILOAD = 3A
300
250
ILOAD = 1.5A
200
150
100
ILOAD = 500mA
50
0
–50 –25
ILOAD = 100mA
0 25 50 75 100 125 150
TEMPERATURE (°C)
3083 G11
Dropout Voltage, FE/DF Packages
(Minimum IN Voltage)
500
450
400
350
300
250
200
150
100
50
0
–50 –25
ILOAD = 3A
ILOAD = 1.5A
ILOAD = 500mA
ILOAD = 100mA
0 25 50 75 100 125 150
TEMPERATURE (°C)
3083 G12
Dropout Voltage (Minimum
VCONTROL Pin Voltage)
1.6
1.4
TJ = –50°C
1.2
TJ = 25°C
1.0
TJ = 125°C
0.8
0.6
0.4
0.2
0
0 0.5 1 1.5 2 2.5 3
LOAD CURRENT (A)
3083 G13
Dropout Voltage (Minimum
VCONTROL Pin Voltage)
1.6
1.4
ILOAD = 3A
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3083 G14
6
Current Limit
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5 VIN = VCONTROL = 7V
VOUT = 0V
0
–50 –25 0 25 50
75 100 125 150
TEMPERATURE (°C)
3083 G15
Current Limit
4.0
3.5
TJ = 25°C
3.0
2.5
2.0
1.5
1.0
0.5
0
0
5
10
15
20
IN-TO-OUT DIFFERENTIAL (VIN – VOUT) (V)
3083 G16
3083fa
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