Customer's TPS51116 circuit make large noise, customer will connect 30Ω resister between VBST to C2104.
(Following circuit's Red point)
Is it no plobrem?
※Left is TPS51116,Right is CSD87331Q3D
【Additional information】
・Schematic is below.
Already added 10nF capasitor on TPS51116-Vin and CSD87331-Vin.
・12Vin⇒1.5Vout/1.6A
・Waveform is attached.
CH1:R2119(Current sense resister), CH2:Vout, CH3:High side Gate, CH4:Low side Gate
・Sometimes, High side and Low side are both "Low", is it no plobrem?
Best regards,
Satoshi