LT3795 查看數據表（PDF） - Linear Technology
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LT3795 Datasheet PDF : 30 Pages
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Typical Performance Characteristics
LT3795
TA = 25°C, unless otherwise noted.
EN/UVLO Hysteresis Current
vs Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3795 G14
SENSE Current Limit Threshold
vs Duty Cycle
120
115
110
105
100
0
20
40
60
80 100
DUTY CYCLE (%)
3795 G17
INTVCC vs VIN
9
8
7
6
5
4
3
2
1
0
0 10 20 30 40 50 60 70 80 90 100 110
VIN (V)
3795 G20
EN/UVLO Falling/Rising
Threshold vs Temperature
1.28
1.27
1.26
1.25
EN/UVLO RISING THRESHOLD
1.24
1.23
1.22
EN/UVLO FALLING THRESHOLD
1.21
1.20
1.19
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3795 G15
INTVCC Current Limit vs VIN
120
100
80
60
40
20
0
0 20 40 60 80 100 120
VIN (V)
3795 G18
INTVCC Dropout Voltage
vs Current, Temperature
1800
1600
1400
1200
1000
800
600
VIN = 6V
150°C
125°C
75°C
25°C
0°C
400
200
0
0
–40°C
–55°C
5
10
15
INTVCC LOAD (mA)
20
3795 G21
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SENSE Current Limit Threshold
vs Temperature
118
117
116
115
114
113
112
111
110
109
108
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3795 G16
INTVCC Current Limit
vs Temperature
100
VIN = 24V
90
80
VIN = 48V
70
60
50
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3795 G19
INTVCC vs Temperature
8.0
7.9
7.8
7.7
7.6
7.5
7.4
7.3
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3795 G22
3795fb
7
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