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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UM0969 датащи(PDF) 39 Page - STMicroelectronics |
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UM0969 датащи(HTML) 39 Page - STMicroelectronics |
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39 / 46 page  UM0969 Power losses and dissipation Doc ID 17665 Rev 2 39/46 8.5 Temperature rise considerations and calculation example According to the previous mathematical formula, it is possible to simulate (with an accurate software tool) the STGIPS10K60A performances, under certain application conditions. Figure 17 shows the results (IC(RMS) current - which is related to the output motor power vs. fsw) of the power loss simulations. Figure 17. Maximum IC(RMS) current vs. switching frequency ● Condition: VPN=300 V, VCC=VBS=15 V, VCE(sat)=typical, switching loss=typical, Tj=125 °C, Tc=see graph, Rth(j-c) = max., ma=0.8, PF=0.6, 3-phase continuous PWM modulation, 60 Hz sine waveform output. Note: The above characteristics may vary in the different control schemes and motor drive types. R6 0.432 C6 1.20E-2 R7 0.0123 C7 0.149E-2 R8 0.448 C8 0.809E-3 R9 1.66 C9 0.120 Table 10. RC - Cauer STGIPS10K60A thermal network (continued) RC - Cauer STGIPS10K60A thermal network R Value [ºC/W] C Value [W*s/ºC] |
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