L78L08ACZ datasheet by STMicroelectronics

L78L08ACZ Frequently Asked Questions (FAQs)

• What is the maximum input voltage that the L78L08ACZ can handle?
  The maximum input voltage for the L78L08ACZ 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 stability, a minimum output capacitance of 10uF is recommended, and the ESR (Equivalent Series Resistance) should be less than 1 ohm.
• What is the dropout voltage of the L78L08ACZ?
  The dropout voltage of the L78L08ACZ is around 2V, which means the input voltage should be at least 2V higher than the output voltage for proper regulation.
• Can I use the L78L08ACZ in a high-temperature environment?
  The L78L08ACZ is rated for operation up to 125°C, but the output current should be derated for temperatures above 85°C to prevent overheating.
• How do I protect the L78L08ACZ from input voltage surges?
  A TVS (Transient Voltage Suppressor) diode can be used to protect the L78L08ACZ from input voltage surges, and a fuse can be added to prevent overcurrent conditions.