lis8711 isolation low PF (1-3W) has fun in July and makes a hot debut

The output voltage and current range of the system has been greatly broadened. The same drive system can be connected in series without adjusting the transformer. The output current can be adjusted arbitrarily within the range. It is convenient for the application of series models and has a complete protection function. Including cycle-by-cycle overcurrent protection for the input current, open circuit protection and temperature protection for the current detection pin, as well as open circuit and short circuit protection for the output.
The system architecture has been streamlined to the greatest extent. It not only eliminates the optocoupler feedback device required for traditional secondary-side control, but also further eliminates the auxiliary winding used to achieve feedback in the traditional primary-side control architecture. Passive components such as feedback resistors and electrical rectifier diodes greatly reduce system costs. Due to the use of high-voltage direct power supply and current binning function,
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