L7812CD2T-TR datasheet by STMicroelectronics

L7812CD2T-TR Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the L7812CD2T-TR?
  The maximum input voltage that can be applied to the L7812CD2T-TR is 35V, but it's recommended to keep it below 25V for reliable operation.
• How do I ensure the L7812CD2T-TR is stable and doesn't oscillate?
  To ensure stability, a minimum output capacitance of 10uF is recommended, and the input capacitor should be at least 100nF. Additionally, the input voltage should be well-regulated and free of noise.
• What is the maximum output current that the L7812CD2T-TR can provide?
  The maximum output current that the L7812CD2T-TR can provide is 1.5A, but it's recommended to keep it below 1A for reliable operation and to prevent overheating.
• How do I protect the L7812CD2T-TR from overheating?
  To protect the L7812CD2T-TR from overheating, ensure good airflow around the device, use a heat sink if necessary, and keep the output current below 1A. Also, avoid operating the device in high-temperature environments.
• Can I use the L7812CD2T-TR in a switching power supply application?
  No, the L7812CD2T-TR is a linear voltage regulator and is not suitable for use in switching power supply applications. It's designed for use in linear power supply applications only.