LM2903HDT datasheet by STMicroelectronics

LM2903HDT Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the LM2903HDT?
  The LM2903HDT can operate from -40°C to 150°C, making it suitable for high-reliability and high-temperature applications.
• How do I ensure the stability of the voltage regulator output?
  To ensure stability, a minimum output capacitance of 10uF is recommended, and the output capacitor should be placed as close as possible to the output pin of the regulator. Additionally, the input capacitor should be at least 10uF and placed close to the input pin.
• What is the maximum input voltage that the LM2903HDT can handle?
  The LM2903HDT can handle input voltages up to 26V, making it suitable for a wide range of applications.
• How do I protect the LM2903HDT from overcurrent conditions?
  The LM2903HDT has built-in overcurrent protection, which limits the output current to a safe value in the event of a short circuit or overload. However, it's still recommended to add external protection, such as a fuse or a current-limiting resistor, to prevent damage to the regulator and other components in the circuit.
• Can I use the LM2903HDT in a switching regulator application?
  No, the LM2903HDT is a linear voltage regulator and is not suitable for use in switching regulator applications. It's designed to provide a stable output voltage in linear mode, and using it in a switching regulator application may lead to instability and reduced performance.