DM8127的DDR3电源芯片TPS51216RUK工作电路中外置High-Side 管子在接入电感后,有一个1R电阻与470pF电容的组合是什么作用?是否可以删掉呢?
查看TPS51216RUK芯片文档中应用电路,未看到这两个器件;
Eason Wang:
That is an RC snubber circuit. It is used to control ringing and overshoot on the switch node waveform. It is a fairly common practice.