LT3082 Ver la hoja de datos (PDF) - Linear Technology
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LT3082 Datasheet PDF : 20 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT3082
Dropout Voltage
1.6
1.4
TJ = –55°C
1.2
TJ = 25°C
1.0
0.8
TJ = 125°C
0.6
0.4
0.2
0
0 25 50 75 100 125 150 175 200
LOAD CURRENT (mA)
3082 G09
Dropout Voltage
1.4
1.2
ILOAD = 200mA
1.0
ILOAD = 100mA
0.8
0.6
0.4
0.2
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3082 G10
Current Limit
400
350
300
250
200
150
100
50
TJ = 25°C
0
0
2
4
6
8
10
INPUT-TO-OUTPUT DIFFERENTIAL VOLTAGE (V)
3082 G11
Current Limit
500
450
400
350
300
250
200
150
100
50
VIN = 7V
VOUT = 0V
0
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
125 150
3082 G12
Line Transient Response
60
40
20
0
–20
–40
6
4
2
0
0 50 100 150 200 250 300 350 400 450 500
TIME (μs)
VOUT = 1V
CSET = 0.1μF
CIN = 1μF CERAMIC ILOAD = 10mA
COUT = 2.2μF CERAMIC
3082 G14
Load Transient Response
200
150
100
50
0
–50
–100
–150
250
0
0 50 100 150 200 250 300 350 400 450 500
TIME (μs)
VOUT = 1V
CSET = 0.1μF
CIN = 1μF CERAMIC ΔILOAD = 10mA to 200mA
COUT = 2.2μF CERAMIC
3082 G13
Turn-On Response
2.0
1.5
1.0
0.5
0
4
2
0
0 10 20 30 40 50 60 70 80 90 100
TIME (μs)
COUT = 2.2μF CERAMIC CSET = 0
RSET = 100k
RLOAD = 5Ω
3082f
5
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