| 摘要 |
<p>A drive circuit (1) for a power switch component (3) comprises an input terminal (21) for receiving a drive pulse, a first (5) and a second semiconductor component (7), each having a controllable terminal, a voltage amplifying terminal and a current amplifying terminal, the current amplifying terminals of said first and second transistors being interconnected, the voltage amplifying terminal of the first semiconductor component (5) being connected to a first power rail (13) and the voltage amplifying terminal of the second semiconductor component (7) being connected to a second power rail (15), the first power rail (13) being at a higher potential than the second power rail (15), the controllable terminals of the first and second semiconductor components being interconnected, a resistor (17) and a diode (19) being connected in parallel between said controllable terminals and the input terminal (21), and a capacitor (23) being connected between said controllable terminals and said current amplifying terminals, wherein each of said semiconductor components (5, 7) has a diode (9, 11) connected between its current amplifying terminal and its voltage amplifying terminal.</p> |
