LT3751 Просмотр технического описания (PDF) - Linear Technology
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LT3751 Datasheet PDF : 28 Pages
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LT3751
TYPICAL PERFORMANCE CHARACTERISTICS
Current Comparator Trip Voltage
(Charge Mode) vs Temperature
109.0
VTH = VCSP – VCSN
108.5
108.0
107.5
107.0
–40 –20
VCC = 5V
VCC = 12V
VCC = 24V
0 20 40 60 80 100 120
TEMPERATURE (°C)
3751 G10
Current Comparator Minimum
Trip Voltage (Regulation Mode)
vs Temperature
13.0
VTH = VCSP – VCSN
12.8 FB = 1.3V
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
11.0
–40 –20
VCC = 5V
VCC = 12V
VCC = 24V
0 20 40 60 80 100 120
TEMPERATURE (°C)
3751 G11
FB Pin Regulation Mode
Threshold vs Temperature
1.168
1.164
1.160
1.156
1.152
–40 –20
VCC = 5V
VCC = 12V
VCC = 24V
0 20 40 60 80 100 120
TEMPERATURE (°C)
3751 G12
FB Pin Regulation Mode
Hysteresis vs Temperature
60
VCC = 5V
VCC = 12V
58
VCC = 24V
56
54
52
50
–40 –20
0 20 40 60 80 100 120
TEMPERATURE (°C)
3751 G13
FB Pin Overvoltage Mode
Threshold Voltage vs Temperature
1.356
1.354
VCC = 5V
VCC = 12V
VCC = 24V
1.352
1.350
1.348
1.346
1.344
–40 –20
0 20 40 60 80 100 120
TEMPERATURE (°C)
3751 G14
FB Pin Overvoltage Mode
Hysteresis vs Temperature
61.0
60.6
60.2
59.8
59.4
59.0
–40 –20
VCC = 5V
VCC = 12V
VCC = 24V
0 20 40 60 80 100 120
TEMPERATURE (°C)
3751 G15
CLAMP Pin Threshold
vs Temperature
1.9
VCC = 12V
VCC = 24V
1.8
1.7
1.6
1.5
1.4
–40
0
40
80
TEMPERATURE (°C)
120
3751 G16
HVGATE Pin Clamp Voltage
vs Temperature
11.0
VCC = 24V
CLAMP = 0V
10.9
10.8
10.7
10.6
10.5
10.4
–40 –20
0 20 40 60 80 100 120
TEMPERATURE (°C)
3751 G17
3751f
6
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