Part NumberGS-EVM-CHG-250WPFCLLC-GS1
DownloadsTechnical Manual (condensed)
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REFERENCE DESIGN: GS-EVM-CHG-250WPFCLLC-GS1

250W AC/DC Charger PFC & LLC reference design

Topology design takes advantage of a two-stage power conditioning system, including a boost AC/DC PFC stage, and an isolated DC/DC half-bridge LLC stage.

Description and Specifications

  • Input voltage: 90V-264Vac
  • Output: 19Vdc, 13.2A, 250W
  • Passes EN55023 Class B conducted and radiated EMI
  • Meets IEC 62368-1 touch temperature requirement
  • Includes TSD, OLP, OVP, OCP and OPP protection
  • 3-pin input socket

Features and Benefits

  • High power density, 16W/in3
  • High efficiency above 96%
  • Cost effective topologies with Boost PFC+ Half-Bridge LLC
  • Low Total Harmonic Distortion (THD)

Applications

  • Laptop and gaming notebook PC adapter
  • TV set power supply