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IRDM982 Datasheet(PDF) 17 Page - International Rectifier

Part No. IRDM982
Description  Dynamic overcurrent limit per temperature
Download  27 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRDM982 Datasheet(HTML) 17 Page - International Rectifier

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IRDM982 Series
17 www.irf.com
© 2015 International Rectifier
April 8, 2015
Load Curves
The following Table shows EFF pin mapping between input voltage and the advanced angle in degree per
50Hz of fundamental electrical frequency. Phase advance is by design clamped to be lower than 45 degrees
at every frequency. At frequencies above 100 Hz the advancement is constant and it is kept to the same
value at 100Hz.
Select
Degree/50Hz
Frequency [Hz] @
advance=45deg
EFF input
EFF digital input
15
25.49
64.22
3.094V – 3.300V
152
14
24.15
65.75
2.888V – 3.087V
144
13
22.81
68.04
2.681V – 2.881V
136
12
21.47
70.34
2.475V – 2.675V
128
11
20.12
72.63
2.269V – 2.469V
120
10
18.78
75.69
2.063V – 2.262V
112
9
17.44
78.75
1.856V – 2.056V
104
8
16.10
81.80
1.650V – 1.850V
96
7
14.76
87.16
1.444V – 1.644V
88
6
13.42
92.51
1.238V – 1.437V
80
5
12.07
99.39
1.031V – 1.231V
72
4
10.73
Advance=40deg
above 100Hz
0.825V – 1.025V
64
3
9.39
Advance=35deg
above 100Hz
0.619V – 0.819V
56
2
8.05
Advance=30deg
above 100Hz
0.413V – 0.612V
48
1
6.71
Advance=25deg
above 100Hz
0.206V – 0.406V
40
Default = 0
5.37
Advance=20deg
above 100Hz
0.000V – 0.200V
32
Table 2a EFF Parameters Selection
Load curves for 4 poles motor


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