MC34063ACD-TR datasheet by STMicroelectronics

MC34063ACD-TR Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the MC34063ACD-TR?
  The maximum input voltage that can be applied to the MC34063ACD-TR is 40V, but it's recommended to keep it below 35V for reliable operation.
• How do I ensure the stability of the output voltage in a switching regulator using the MC34063ACD-TR?
  To ensure stability, make sure to use a suitable output capacitor with a low ESR, and add a small ceramic capacitor (e.g., 10nF) in parallel with the output capacitor to filter out high-frequency noise.
• What is the purpose of the bootstrap capacitor (CBOOT) in the MC34063ACD-TR?
  The bootstrap capacitor (CBOOT) is used to generate the high-side gate drive voltage for the internal power switch. It's essential for proper operation and should be chosen according to the datasheet recommendations.
• How do I calculate the output voltage of the MC34063ACD-TR?
  The output voltage (VOUT) can be calculated using the formula: VOUT = (R1 / R2) * (1 + R3 / R4) * VIN, where R1, R2, R3, and R4 are the resistors in the feedback network.
• What is the maximum output current that the MC34063ACD-TR can deliver?
  The maximum output current of the MC34063ACD-TR depends on the input voltage and the external components used. Typically, it can deliver up to 1.5A, but this value can be increased with proper design and component selection.