IR2111PBF datasheet by International Rectifier

IR2111PBF Frequently Asked Questions (FAQs)

• What is the maximum voltage rating of the IR2111PBF?
  The maximum voltage rating of the IR2111PBF is 500V, which is the maximum voltage that can be applied between the VCC and COM pins.
• How do I ensure proper thermal management of the IR2111PBF?
  To ensure proper thermal management, make sure to provide adequate heat sinking, use a thermal interface material, and keep the device within the recommended operating temperature range of -40°C to 150°C.
• What is the purpose of the bootstrap capacitor in the IR2111PBF?
  The bootstrap capacitor is used to generate the high-side gate drive voltage, which is necessary for the high-side FET to turn on. It is charged through the bootstrap diode and discharged through the high-side FET.
• How do I choose the correct value for the bootstrap capacitor?
  The bootstrap capacitor value depends on the specific application and the required gate drive voltage. A general rule of thumb is to use a capacitor with a value between 10nF to 100nF, but the optimal value may need to be experimentally determined.
• What is the recommended dead time for the IR2111PBF?
  The recommended dead time for the IR2111PBF is typically around 100ns to 200ns, but this value may need to be adjusted based on the specific application and the switching frequency.