MP4581 & MP4541: Synchronous, High-Voltage Buck Converters


The MP4581 and MP4541 support a 100 V and 80 V maximum input voltage, respectively, with up to 0.8 A of output current in a compact SOIC-8EP package.

  • Up to 94 % peak efficiency.
  • Fewer external components required makes layout easier. 
  • Integrated high-side and low-side FETs. 
  • 15 μA quiescent current. 
  • Supports satellite video, e-bike GPS tracking, industrial power supplies, industrial gateways, printer power boards, and bias supplies for 48 V systems.