按照规格书9.2.1 Typical Boost LED Driver 搭的测试电路,12V输入,功率18W左右应该是对的,芯片GATE引脚波形如下,不是一个连续的调制波形,请问是正确的吗
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按照规格书9.2.1 Typical Boost LED Driver 搭的测试电路,12V输入,功率18W左右应该是对的,芯片GATE引脚波形如下,不是一个连续的调制波形,请问是正确的吗
HI
不正常,将SS脚波形放上来看看?
另外建议你确认一下保护电路,例如电流保护的IS脚,注意IS脚电容尽量靠近IS脚。