Part NumberGS-EVB-LLC-3KW-GS
DownloadsTechnical Manual

Evaluation Board & Reference Design: GS-EVB-LLC-3KW-GS

3KW High Efficiency LLC Evaluation Board & Reference Design

A high density, high efficiency GaN-based 3kW LLC Resonant Converter to reduce design cycles, costs and time to market for data center, telecom, and industrial switching mode power supply (SMPS) applications. This full-bridge LLC resonant converter exceeds the 80+ Titanium standard for power supply units, achieving high power density (PFC+DC/DC) above 100W/inch3 and high efficiency of more than 96%.

Description and Specifications

  • Input Voltage range: 380 Vdc~420 Vdc
  • Output Voltage: 54 V
  • Full Load Current: 55 A
  • Topology: Full Bridge LLC Resonant Converter with Synchronize Rectification
  • Target frequency: 250 KHz (resonant frequency)
  • Max Frequency: 450 KHz
  • PCBA board size: 80mm x 140mm x 30mm (including air-forced cooling)

Features and Benefits

  • Digital based solution with soft switching LLC resonant converter
  • Achieves 80+ Titanium with GaN Systems Bridgeless Totem-Pole PFC
  • High power density up to 146W/inch3 (including air-forced cooling)
  • High efficiency above 98%
  • Meets low profile 1U datacenter form factor
  • Over current, short circuit, and over voltage system protection

End Applications

  • Datacenter/Server Power Converter
  • Telecom SMPS
  • Industrial SMPS