General purpose dynamic dead time generator

L. Schirone, M. Macellari
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引用次数: 2

Abstract

A dynamic dead time controller for synchronous dc-dc converters is presented. It was specifically designed to operate in a boost stage based on GaN FETs switching at frequencies in the MHz range, but its analog circuitry can be easily modified to accommodate other switch technologies and converter topologies. Experimental tests were carried in the presence of wide variations of the operating conditions, demonstrating stable dead time duration in the few nanoseconds range.
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通用动态死区时间发生器
提出了一种用于同步dc-dc变换器的动态死区时间控制器。它专门设计用于基于GaN fet开关频率在MHz范围内的升压级,但其模拟电路可以很容易地修改以适应其他开关技术和转换器拓扑。在不同的操作条件下进行了实验测试,表明死区时间稳定在几纳秒范围内。
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