POWER CONVERTER WITH INCREASED BREAKDOWN VOLTAGE MAINTAINING STABLE OPERATION

摘要

It is an object to enhance a breakdown voltage without requiring a complicated manufacturing process while maintaining a stable operation. A control signal (A) output from an MCU (11) is transmitted to a driving circuit (3a) for driving a power switching element (1a) of an upper arm through two-stage level shift circuits. The level shift circuit in a first stage is constituted by a series circuit of a switching element (13) and a resistive element (14), and the level shift circuit in a second stage is constituted by a series circuit of a switching element (16) and a resistive element (17).