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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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STNRGPF12 Scheda tecnica(PDF) 6 Page - STMicroelectronics |
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STNRGPF12 Scheda tecnica(HTML) 6 Page - STMicroelectronics |
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6 / 43 page  3 STNRGPF02/12 blocks diagram The block diagram of both STNRGPF02/12 devices is shown in Figure 4 Figure 4. STNRGPFx2 Block diagram STNRGPFx2 Driving & Interleaving Programming Measurements Analog comparators Cooling system control Start-up & Inrush function Status indicators Digital controller Voltage & current loops 3.1 Voltage and current loops The STNRGPFx2 controllers implement a mixed signal average current control. The task of digital voltage loop is to regulate the output voltage of the PFC. Vin and Iout measurements are used to implement Input/Output Feed- Forward (I/O FFD), so load steps or input voltage variations are quickly compensated by acting on digital PI output calculations. This function allows to keep the output voltage to the setpoint value and as constant as possible (see Figure 5). STNRGPF02, STNRGPF12 STNRGPF02/12 blocks diagram DS12895 - Rev 2 page 6/43 |
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