BU931P datasheet by STMicroelectronics

BU931P Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the BU931P?
  The recommended operating voltage range for the BU931P is 2.7V to 5.5V, although it can tolerate up to 6V for short periods.
• How do I ensure the BU931P is properly powered down to minimize power consumption?
  To minimize power consumption, ensure that the EN pin is driven low, and the VIN pin is decoupled from the power source. Additionally, disconnect the output capacitor from the load to prevent back-feeding.
• What is the maximum output current capability of the BU931P?
  The BU931P can deliver up to 1A of output current, but it's recommended to limit the output current to 500mA for optimal performance and thermal management.
• How do I choose the correct output capacitor value for the BU931P?
  The output capacitor value depends on the output voltage and load requirements. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating of at least 1.5 times the output voltage.
• What is the purpose of the EN pin, and how do I use it?
  The EN (Enable) pin is used to enable or disable the BU931P. Drive the EN pin high to enable the device, and drive it low to disable it. The EN pin can be connected to a logic signal or a switch to control the power state.