SNVA432D March 2010 – January 2022 LM21305
This section provides a simplified design procedure necessary to select the external components to build a fully functional efficient step-down power supply. As with any DC-DC converter, numerous tradeoffs are possible to optimize the design for efficiency, size, and performance. Unless otherwise indicated, all formulas assume units of the following:
For more details, please refer to the LM21305 data sheet.