MOSFET circuit having reduced output voltage oscillations during a switch-off operation
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Feb 17, 2009
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app pub date -
Jan 15, 2004
filing date -
Jan 17, 2003
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Abstract
The invention relates to a MOSFET circuit having reduced output voltage oscillations, in which a smaller CoolMOS transistor (T2) with a zener diode (Z1) connected upstream of its gate is located in parallel with a larger CoolMOS transistor (T1), so that, during a switch-off operation, after the larger transistor has been switched off, the smaller transistor (T2) carries a tail current on account of the zener voltage still present, which tail current attenuates output oscillations of the voltage.
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