Title :
Comparison of the square-wave and quasi-resonant topologies
Author :
Schlecht, M.F. ; Casey, Leo F.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA
fDate :
1/1/1988 12:00:00 AM
Abstract :
The waveforms of a square-wave DC-DC converter and a quasiresonant DC-DC converter are examined in detail and a comparison is made between the switching losses and conduction losses for each topology. Using data from commercially available semiconductor devices, conservative estimates are then given for the switching frequency at which the resonant approach becomes advantageous. The effect of an isolation transformer on this comparison is also addressed
Keywords :
power convertors; conduction losses; isolation transformer; quasiresonant DC-DC converter; semiconductor devices; square-wave DC-DC converter; switching frequency; switching losses; Circuit topology; DC-DC power converters; Frequency estimation; Helium; Resonance; Semiconductor devices; Switches; Switching converters; Switching frequency; Switching loss;
Journal_Title :
Power Electronics, IEEE Transactions on
