LT3512 Просмотр технического описания (PDF) - Linear Technology
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LT3512 Datasheet PDF : 24 Pages
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LT3512
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
EN/UVLO Pin (Hysteresis) Current
vs Temperature
5
EN/UVLO = 1.2V
4
3
2
1
EN/UVLO Pin Current
vs VEN/UVLO
30
25
20
15
10
5
EN/UVLO Threshold
vs Temperature
3.0
2.5
2.0
1.5
1.0
0.5
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3512 G07
0
1
20
40
60
80
100
VEN/UVLO VOLTAGE (V)
3512 G08
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3512 G09
Maximum Frequency
vs Temperature
1000
900
800
700
600
500
400
300
200
100
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3512 G10
Minimum Frequency
vs Temperature
100
90
80
70
60
40
40
30
20
10
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3512 G11
EN/UVLO Shutdown Threshold
vs Temperature
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3512 G14
Boundary Mode Waveform
Light Load Discontinuous
Mode Waveform
20V/DIV
2μs/DIV
3512 G12
20V/DIV
2μs/DIV
3512 G13
3512f
4
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