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PCB layout guidelines for MPC5674x switch mode power supply (SMPS)

Posted: 05 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:PCB layout? device MPC5674x? SMPS regulator?

Switched regulators have become popular for their improved efficiency and frequency response compared with equivalent linear regulators. A system based on switched supplies can provide significantly lower power consumption, and consequently allow reduced PCB area and a reduction in cost of external components.

The MPC5674F device provides an internal SMPS regulator that may be used to provide the VDD voltage, eliminating the external VDD supply. To ensure that the switched regulator operates as designed, it is important that the designer selects appropriate components and designs the PCB following some simple rules. A good PCB layout is of particular importance when using the switch-mode regulator.

View the PDF document for more information.

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