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用于宽输入Buck变换器的高速栅驱动电路

YANG Bingzhong, LUO Ping,LIU Junhong,ZHAO Zhong,CAO Qi, LIU Fan

Microelectronics（2023）

Cited 0|Views3
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Abstract
设计了一种混合型的栅极驱动电路,用于宽范围电压输入Buck变换器的高低侧功率管驱动.将闭环的线性稳压器与短脉冲电流源结合,在有效缩短功率管栅极充电时间的同时确保了驱动电压精度.根据典型应用的仿真结果,该结构电路在整个输入电压范围内将功率管开启速度提升了至少41％,提升了电路的最大工作频率.
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Key words
buck converter,gate driver,LDO
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