STMicroelectronics Evaluation Board for L6564 for Low Power Applications

The STEVAL-ISA142V1 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 pk-pk (VIN=230 VAC, Pout=50 W)
Maximum ambient temperature: 50 °C
PCB type and size: single-sided, 35 um, CEM-1, 140 x 60 mm

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