| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a load driver which achieves high efficiency by reducing noise and switching loss by an inexpensive and simple circuit configuration. <P>SOLUTION: The load driver 1 includes an inverter circuit comprised of a high-frequency insulation transformer T1, first and second switching elements Q1 and Q2, and a first resonance capacitor Crl, executes a full-wave rectification of an alternating voltage by a combination of the first and second switching elements Q1 and Q2, and first and second diodes D3 and D4, and steps up a rectified voltage and improves a power factor by a combination of a reactor L1, the first and second switching elements Q1 and Q2, and a first capacitor C1. <P>COPYRIGHT: (C)2011,JPO&INPIT |
