L6564 High Power Factor Flyback Converter Evaluation Board

The STM-STEVAL-ISA142V1-EVAL product evaluation board implements a 50 W, wide-range mains input, power factor-corrected power supply suitable for all low power applications requiring a high power factor, such as lighting applications and LED power supplies. Use of the low-cost L6564 combined with simple flyback topology provide a very competitive solution. Line voltage range: 90 to 265 VAC Minimum line frequency (fl): 47-63 Hz Minimum switching frequency: 44 KHz Reflected voltage: 140 V Regulated output voltage: 24 V Rated output power: 50 W Power factor (load = 50%): 0.9 minimum Minimum efficiency at full load: 88% Maximum 2 fl output voltage ripple: 1.1 V pkpk (VIN=230 VAC, Pout=50 W) Maximum ambient temperature: 50 °C Conducted EMI: in accordance with EN55022 class-B PCB type and size: single-sided, 35 um, CEM-1, 140 x 60 mm RoHS compliant