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LM2576: Feedback voltage clarification

Part Number: LM2576

Hello team,

Could you please help me to clarify feedback voltage details below?:

  1. How much the feedback voltage range over temperature from 0C to 80C can be narrowed compared to -40C to 125C?
      
    Could you please provide document about the TJ vs feedback voltage curve if available?
  2. How much the feedback voltage changes depending the load current?
    Could you provide the relationship between the load current and the feedback voltage?

Regards,

Itoh