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STMicroelectronics STEVAL-ISA211V1 Evaluation Board is designed for industrial or photovoltaic sectors to be used as an auxiliary power supply. The STM STEVAL-ISA211V1 features a 24V/100W output with reinforced isolation able to be used in several applications. The input voltage range starts from standard Europe voltage (230VAC) and ends at 690VAC or 1kVDC. For short-time periods or lower output power, the converter can operate with voltage decreased down to 150VDC.
The STEVAL-ISA211V1 Evaluation Board is based on the L6566BH multi-mode controller and STW12N170K5 1700V MDmesh K5 Power MOSFET in one-switch Flyback topology with isolated output. The L6566BH integrates an 840V high voltage startup, which is boosted by the STD1NK60T4 Power MOSFET up to 1kV. The STEVAL-ISA211V1 operates in fixed-frequency mode but can easily set to quasi-resonant mode by changing one resistor.
