零电压开关DC-DC变换器的精确栅极驱动时序

O. Trescases, W. Ng, Shuoxi Chen
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引用次数: 65

摘要

本文介绍了一种集成低压功率转换控制器的设计和实现,该控制器能够将MOSFET栅极驱动信号以精确定时的方式传递给片上功率晶体管。在固定频率零电压开关准方波(ZVS-QSW)降压变换器中,采用模拟死区锁环(DTLL)实现精确的模拟死区控制器,并具有快速抑制误差的能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Precision gate drive timing in a zero-voltage-switching DC-DC converter
This paper presents the design and implementation of an integrated low-voltage power conversion controller capable of delivering MOSFET gate-drive signals to on-chip power transistors with precision timing. Analog dead-time-locked-loops (DTLL) are used to realize an accurate analog deadtime controller with fast error rejection in a fixed frequency zero-voltage-switching quasi-square-wave (ZVS-QSW) buck converter.
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