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规格书中CBC限流是2V,实测1.6V进入CBC,进而SS放电进入保护!
Hi
确认一下是否有noise影响?
CS引脚有100p的电容,5V ref供电也比较稳定;另外,noise一般影响了什么会让CS在1.6V的时候进入CBC,而且还一直在持续CBC,直到PWM关闭进入hiccup?
有300mV的斜波补偿, 所以实际上是1.7V.