您好,请教一下这个原理图中的R22和C19起什么作用?(PDF26页)
D14,D15起什么作用?
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HI
R22可以不要,C19是VDD稳压电容。
D14/D15电压钳位,确保驱动变压器端出现较大负压烧坏芯片。
HI
应该是可以的直接测试确认,VDD的1uF尽量靠近VDD Layout.