UCC21520推荐了一种简洁的负压驱动方案,但没有说明具体参数的选取。具体方案见下图
采用Cz和Dz实现负压关断。但未说明具体参数的选择。现SiC MOSFET驱动需要GS极18V/-3V驱动电压,想选用2.4V稳压管,请问电容Cz应该选择多大?MOSFET为罗姆的SCH2080KE
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UCC21520推荐了一种简洁的负压驱动方案,但没有说明具体参数的选取。具体方案见下图
采用Cz和Dz实现负压关断。但未说明具体参数的选择。现SiC MOSFET驱动需要GS极18V/-3V驱动电压,想选用2.4V稳压管,请问电容Cz应该选择多大?MOSFET为罗姆的SCH2080KE