IR2085SPBF datasheet by International Rectifier

IR2085SPBF Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the IR2085SPBF?
  The maximum operating temperature range for the IR2085SPBF is -40°C to 150°C, with a junction temperature of up to 150°C.
• How do I ensure the bootstrap capacitor is properly sized for the IR2085SPBF?
  The bootstrap capacitor should be sized based on the maximum voltage and current requirements of the high-side driver. A general rule of thumb is to use a capacitor with a value of at least 10nF to 22nF, with a voltage rating of 1.5 to 2 times the maximum voltage of the high-side driver.
• What is the recommended dead time for the IR2085SPBF?
  The recommended dead time for the IR2085SPBF is typically in the range of 100ns to 500ns, depending on the specific application and switching frequency. A longer dead time can help reduce shoot-through currents, but may also increase switching losses.
• How do I protect the IR2085SPBF from overvoltage and undervoltage conditions?
  The IR2085SPBF has built-in overvoltage protection (OVP) and undervoltage protection (UVP) features. However, additional external protection circuits may be necessary depending on the specific application requirements. This can include using voltage regulators, TVS diodes, or other protection devices to ensure the IC operates within its recommended voltage range.
• What is the maximum switching frequency supported by the IR2085SPBF?
  The maximum switching frequency supported by the IR2085SPBF is up to 500kHz, depending on the specific application and operating conditions. However, the actual switching frequency may be limited by the external components, such as the gate drive resistors and capacitors, as well as the power MOSFETs being driven.