EPC9158: 48V/54V – 12 V, 50 A, Synchronous Buck Converter

EPC9158 – 48 V/54 V Input to 12 V, 50 A Output Dual-Phase Synchronous Buck Converter Reference Design Board

EPC9158 Development Kit

The EPC9158 is a 48 V/54 V to 12 V synchronous buck converter and can deliver 25 A per phase or 50 A total when configured for a single output. EPC9158 features EPC2218 enhancement mode eGaN® FET and LTC7890 two phase analog buck controller with integrated eGaN drivers.

Features

  • High efficiency: 96.5% with 48 V input and 12 V output configuration
  • Switching frequency: 500 kHz
  • Current mode control
  • Reconfigurable light load operating mode and adjustable dead time
  • Operating modes and other functions:
    • UVLO
    • Overcurrent protection
    • Power good
    • External synchronization

Applications

  • DC-DC Converters
  • 48 V Server Power

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