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DC/DC Buck Boost

DC/DC buck boost conversion is equivalent to a flyback converter using a single inductor instead of a transformer.

Block diagram

Design challenges

  • Economical, two-MOSFET design - low QG(tot) & low FOM for best efficiency
  • Step-down of voltage while stepping up current
  • D1 and D2 can be exchanged for MOSFETs for higher efficiency

MOSFET and GaN FET Handbook

Drawing on over 20 years’ of experience, the MOSFET and GaN FET Application Handbook: A Power Design Engineer’s Guide brings together a comprehensive set of learning and reference materials relating to the use of MOSFETs and GaN FETs in real world systems.

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