MC34063ECD-TR datasheet by STMicroelectronics

MC34063ECD-TR Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the MC34063ECD-TR?
  The maximum input voltage that can be applied to the MC34063ECD-TR is 40V. Exceeding this voltage may damage the device.
• How do I ensure stability in the output voltage of the MC34063ECD-TR?
  To ensure stability in the output voltage, it is recommended to use a minimum output capacitance of 10uF and a minimum ESR of 0.1 ohms. Additionally, the output voltage should be decoupled from the input voltage using a capacitor with a value of at least 10uF.
• What is the maximum output current that the MC34063ECD-TR can deliver?
  The maximum output current that the MC34063ECD-TR can deliver is 1.5A. Exceeding this current may cause the device to overheat or fail.
• How do I choose the correct inductor value for my application?
  The inductor value depends on the input voltage, output voltage, and output current. A general rule of thumb is to choose an inductor with a value between 10uH and 100uH. The datasheet provides a formula to calculate the inductor value based on the application requirements.
• What is the purpose of the compensation pin (pin 5) on the MC34063ECD-TR?
  The compensation pin (pin 5) is used to compensate for the internal voltage regulator's output voltage. A capacitor and resistor network can be connected to this pin to adjust the output voltage and ensure stability.