IR2181SPBF datasheet by International Rectifier

IR2181SPBF Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the IR2181SPBF?
  The maximum operating frequency of the IR2181SPBF is 500 kHz, but it can be used up to 1 MHz with some limitations. However, it's recommended to consult the application notes and design guidelines for specific use cases.
• How do I ensure proper thermal management for the IR2181SPBF?
  Proper thermal management for the IR2181SPBF involves providing a good thermal path from the device to a heat sink or the PCB, using thermal interface materials, and ensuring good airflow. The maximum junction temperature (Tj) is 150°C, and the device should be operated within the recommended temperature range to ensure reliability.
• What is the recommended dead time for the IR2181SPBF?
  The recommended dead time for the IR2181SPBF is typically between 100 ns to 500 ns, depending on the specific application and switching frequency. However, it's essential to consult the application notes and design guidelines for specific use cases to ensure proper operation.
• Can I use the IR2181SPBF for high-side or low-side switching?
  The IR2181SPBF is a half-bridge driver, which means it can be used for both high-side and low-side switching. However, the device is typically used for high-side switching due to its internal bootstrap diode and high-side driver capabilities.
• What is the minimum input voltage required for the IR2181SPBF?
  The minimum input voltage required for the IR2181SPBF is 10 V, but it's recommended to operate the device with a minimum input voltage of 12 V to ensure proper operation and reliability.