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IRDM983-035MB Datasheet(PDF) 19 Page - Infineon Technologies AG |
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IRDM983-035MB Datasheet(HTML) 19 Page - Infineon Technologies AG |
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19 / 29 page  IRDM983-025MB, IRDM983-035MB This document is the property of International Rectifier and may not be copied or distributed without expressed consent. 18 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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