PMP20904 Reference Design

Texas Instruments

100W Negative Output Power Supply Reference Design for Industrial Applications

Description

The PMP20904 reference design is a negative buck utilizing the LM5117 controller for industrial applications. This design can operate at 24Vin at +/-10%. The design has an output of -24V and capable of sourcing 2A continuous current and up to 4A transient. Switching frequency is set to 200kHz: and a 4 layer PCB is used.

Features
  • Synchronous output rectificationLow BOM count and cost: compact solution sizePeak efficiency: 94%
Applications
  • Macro remote radio unit (RRU)
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