STEVAL-ISA142V1:50 W wide-range high power factor flyback converter using the L6564

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.

Key Features

  • 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
  • Conducted EMI: in accordance with EN55022 class-B
  • PCB type and size: single-sided, 35 um, CEM-1, 140 x 60 mm
  • RoHS compliant
Product Specifications
DescriptionVersionSize
DB2090: 50 W, wide-range, high power factor flyback converter using the L65641.0213 KB
Board Manufacturing Specifications
DescriptionVersionSize
STEVAL-ISA142V1 gerber files1.0231 KB
Bill of Materials
DescriptionVersionSize
STEVAL-ISA142V1 BOM1.053 KB
Schematic Packs
DescriptionVersionSize
STEVAL-ISA142V1 schematics1.0173 KB
License Agreement
DescriptionVersionSize
Evaluation products license agreement1.0125 KB
Sample & Buy
Part NumberCore ProductUnit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
STEVAL-ISA142V1L6564124.951NECEAR99ITALY
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
STEVAL-ISA142V1CARDIndustrialEcopack2
50 W, wide-range, high power factor flyback converter using the L6564 STEVAL-ISA142V1
50 W, wide-range, high power factor flyback converter using the L6564 STEVAL-ISA142V1
50 W, wide-range, high power factor flyback converter using the L6564 STEVAL-ISA142V1
50 W, wide-range, high power factor flyback converter using the L6564 STEVAL-ISA142V1
ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32 ST-LINK-V2