L79L09ACZ datasheet by STMicroelectronics

L79L09ACZ Frequently Asked Questions (FAQs)

• What is the maximum input voltage that the L79L09ACZ can handle?
  The maximum input voltage for the L79L09ACZ is 35V, but it's recommended to keep it below 30V for reliable operation.
• How do I ensure stability with the L79L09ACZ?
  To ensure stability, use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 1 ohm, and a minimum input capacitance of 1uF with an ESR of less than 5 ohms.
• What is the dropout voltage of the L79L09ACZ?
  The dropout voltage of the L79L09ACZ is typically around 1.5V, but it can be as low as 1.2V for a 5V output and 1.8V for a 9V output.
• Can I use the L79L09ACZ in a high-temperature environment?
  The L79L09ACZ is rated for operation up to 125°C, but its performance may degrade at high temperatures. Be sure to check the datasheet for thermal derating information.
• How do I calculate the power dissipation of the L79L09ACZ?
  To calculate power dissipation, use the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.