L7987TR datasheet by STMicroelectronics

L7987TR Frequently Asked Questions (FAQs)

• What is the maximum input voltage that the L7987TR can handle?
  The L7987TR can handle a maximum input voltage of 28V, but it's recommended to keep it below 24V for optimal performance and reliability.
• How do I ensure the stability of the output voltage?
  To ensure stability, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the output voltage within the recommended range of 1.5V to 15V.
• What is the maximum output current that the L7987TR can provide?
  The L7987TR can provide a maximum output current of 3A, but it's recommended to keep it below 2.5A for optimal performance and reliability.
• How do I protect the L7987TR from overheating?
  To protect the L7987TR from overheating, make sure to provide adequate heat sinking, and keep the junction temperature below 150°C. Also, ensure good airflow around the device.
• Can I use the L7987TR in a high-temperature environment?
  Yes, the L7987TR can operate in a high-temperature environment, but its performance and reliability may degrade above 125°C. Make sure to derate the output current and voltage accordingly.