Addressing the challenges of large size,high elevation,and low reliability in traditional winding transformers,a novel micro-magnetic transformer utilizing the low temperature co-fired ferrite(LTCF)process is introduced.This innovation effectively resolves many issues encountered in conventional transformer development,significantly reducing size and enhancing reliability.It is commonly applied in signal isolation,high voltage power supply,small power DC/DC power supply,and other systems.The output voltage,operational mode,and design of the absorption clamp circuit for LTCF micro-magnetic transformers used in high voltage power supplies are discussed.