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  • What is a bootstrap circuit? What is it commonly used for?

  • Describe a bootstrap circuit. Explain how the bootstrap capacitor and bootstrap diode play a role in generating bootstrapped voltage rails

  • Why do high-side N-channel MOSFETs require higher voltage rails to switch?

  • How does a bootstrap circuit play a role in dictating the gate-to-source voltage used to switch the FETs of a half-bridge?

  • What issues arise as a half-bridge begins to switch at a higher duty cycle?

  • What are some similarities and differences between bootstrap circuits and charge pumps? When would I consider using one over the other?

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