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Ensure all power sources are disconnected and capacitors are safely discharged before attempting any component testing or replacement. sn51dp datasheet high quality
Silicon vendors release errata. An old, scanned datasheet might miss the "Rev 2.1" note that changes the recommended bootstrap capacitor value from 100nF to 220nF. That single change could be the difference between a stable prototype and one that resets randomly. : Ensure all power sources are disconnected and
You can download the datasheet directly from TI's website: SN51DP datasheet (PDF) sn51dp datasheet high quality
A: No – UC3842 requires an external MOSFET and has different startup current requirements. The SN51DP’s internal 700V MOSFET and high-voltage startup are unique.