IR2112PBF datasheet by International Rectifier

IR2112PBF Frequently Asked Questions (FAQs)

• What is the maximum voltage that can be applied to the VCC pin?
  The maximum voltage that can be applied to the VCC pin is 15V, but it's recommended to keep it between 10V to 12V for optimal performance.
• How do I ensure proper thermal management for the IR2112PBF?
  Proper thermal management can be achieved by providing a heat sink with a thermal resistance of less than 10°C/W, and ensuring good airflow around the device. The PCB layout should also be designed to minimize thermal resistance.
• What is the purpose of the bootstrap capacitor (CBOOT) and how do I choose its value?
  The bootstrap capacitor (CBOOT) is used to generate the high-side gate drive voltage. The recommended value is between 10nF to 100nF, depending on the switching frequency and the gate drive requirements.
• How do I prevent shoot-through current when using the IR2112PBF?
  Shoot-through current can be prevented by ensuring that the dead-time between the high-side and low-side gate drive signals is sufficient (typically 100ns to 500ns), and by using a proper gate drive circuit with a low impedance path to the gate.
• What is the recommended layout and routing for the IR2112PBF?
  The recommended layout and routing involves keeping the high-frequency nodes (such as the bootstrap capacitor and the gate drive signals) away from the low-frequency nodes (such as the power supply and the output), and using a symmetrical layout to minimize electromagnetic interference (EMI).