L78L33ACZ-AP datasheet by STMicroelectronics

L78L33ACZ-AP Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the L78L33ACZ-AP?
  The maximum input voltage that can be applied to the L78L33ACZ-AP is 35V, but it's recommended to keep it below 30V for reliable operation.
• How do I ensure the stability of the output voltage?
  To ensure the stability of the output voltage, a minimum output capacitance of 2.2uF is recommended, and the capacitor should be placed as close to the output pin as possible.
• What is the maximum output current that the L78L33ACZ-AP can provide?
  The maximum output current that the L78L33ACZ-AP can provide is 1A, but it's recommended to keep it below 0.5A for reliable operation.
• How do I protect the L78L33ACZ-AP from overheating?
  To protect the L78L33ACZ-AP from overheating, ensure good airflow around the device, and consider adding a heat sink if the device is expected to operate at high temperatures or with high input voltages.
• Can I use the L78L33ACZ-AP in a switching power supply?
  No, the L78L33ACZ-AP is a linear voltage regulator and is not suitable for use in switching power supplies. It's designed for use in linear power supplies only.