SLUAAU2 January   2024 UCC21551 , UCC27517A , UCC27624 , UCC27714

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Typical PFC Topologies
    1. 2.1 Boost PFC
    2. 2.2 Interleaved Boost PFC
    3. 2.3 Bridgeless Boost PFC
    4. 2.4 Bridgeless Totem Pole PFC
  6. 3Switches and Gate Drivers in PFC Topologies
  7. 4Summary
  8. 5References

Abstract

When designing a switching power supply, high efficiency, high power factor (PF), and low power line harmonics are critical. This application note provides an overview of power factor correction (PFC) topologies including relative advantages and the gate drivers that are needed for each.