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TPS43061: TPS43061 datasheet DCR sensing

Part Number: TPS43061


Datasheet for this controller gives an example of typical application (page 21). Note on this page says that for DCR sensing ,open R14 and short R15, R16, R17. But in this case inductor will be directly connected to sense input of controller. The voltage across inductor is rectangular shape pulse (need saw shape pulse for current loop)with amplitude  equel Vin , and this is much higher current limit threshod. Could you, please , explane how this circuit can work.