LT3791-1 Просмотр технического описания (PDF) - Linear Technology
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LT3791-1 Datasheet PDF : 26 Pages
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LT3791-1
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
INTVCC Dropout Voltage
vs Current, Temperature
2.5
TA = 150°C
TA = 25°C
2.0
TA = –50°C
1.5
1.0
0.5
0
0
10
20
30
40
LDO CURRENT (mA)
37911 G01
INTVCC Load Regulation
6.00
5.75
5.50
5.25
5.00
4.75
4.50
4.25
4.00
0 10 20 30 40 50 60 70
ILOAD (mA)
37911 G04
V(ISP-ISN) Threshold vs VCTRL
110
100
90
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
VCTRL (V)
37911 G07
INTVCC Voltage vs Temperature
5.20
5.15
5.10
5.05
VIN = 60V
5.00
VIN = 12V
4.95
4.90
4.85
4.80
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
37911 G02
VREF Voltage vs Temperature
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
1.96
–50 –25
VIN = 60V
VIN = 12V
VIN = 4.7V
0 25 50 75 100 125 150
TEMPERATURE (°C)
37911 G05
V(ISP-ISN) Threshold vs VISP
108
106
104
102
100
98
96
94
92
0
10 20 30 40 50 60
VISP (V)
37911 G08
INTVCC Current Limit
vs Temperature
90
80
70
60
50
40
30
20
10
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
37911 G03
VREF Load Regulation
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1.85
1.80
0
50 100 150 200 250 300 350 400
IREF (µA)
37911 G06
V(ISP-ISN) Threshold
vs Temperature
108
VIN = 12V
106
104
102
100
98
96
94
92
–50 –25
VISP = 60V
VISP = 12V
VISP = 0V
0 25 50 75 100 125 150
TEMPERATURE (°C)
37911 G09
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37911fa
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