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TPS923650: Clarification on COMP Pin Resistor and DIM Pin Behavior in TPS923650

Part Number: TPS923650

Tool/software:

1. Is it mandatory to add a resistance of very high value typically 10 mega ohms in parallel with the COMP pin capacitor, which I have seen in LED-39?

2. TPS923650 datasheet says that there is a delay in application of the Dim pin signal after Vcc has reached Vcc_uvlo. Can we give the Dim pin signal prior to Vin & hence Vcc_uvlo?