Title :
Low-cost energy-efficient SMPS delivers up to 90 W peak from an EE-25 core transformer
Author_Institution :
Power Integrations, San Jose, CA, USA
Abstract :
An SMPS that delivers peak power of up to 3× its rated full load power without requiring an over-sized power transformer is proposed. The operation of the control scheme used to achieve the high peak power capability and very consistent efficiency versus load is described. The low parts count implementation of required output protection functions is also explained. Finally, experimental evaluation results obtained from a prototype of a universal input, single output (30 V at 1.07 A), flyback, ac-dc converter are presented.
Keywords :
AC-DC power convertors; power transformers; switched mode power supplies; transformer cores; 1.07 A; 30 V; EE-25 core transformer; SMPS; ac-dc converter; flyback converter; output protection functions; power transformer; Energy efficiency; Flyback transformers; Power transformers; Protection; Prototypes; Pulsed power supplies; Switched-mode power supply; Switches; Switching frequency; Transformer cores;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2006. APEC '06. Twenty-First Annual IEEE
Print_ISBN :
0-7803-9547-6
DOI :
10.1109/APEC.2006.1620548
