LM140K-12 datasheet by Texas Instruments

LM140K-12 Frequently Asked Questions (FAQs)

• What is the maximum input voltage that the LM140K-12 can handle?
  The maximum input voltage for the LM140K-12 is 35V, but it's recommended to keep it below 25V for optimal performance and to prevent overheating.
• How do I ensure the output voltage is stable and regulated?
  To ensure a stable output voltage, make sure to use a suitable input capacitor (e.g., 1uF) and output capacitor (e.g., 10uF) as close to the regulator as possible. Also, ensure the input voltage is at least 2V higher than the output voltage.
• What is the minimum input voltage required for the LM140K-12 to function?
  The minimum input voltage required for the LM140K-12 to function is 14.5V, but it's recommended to keep it above 15V for optimal performance.
• Can I use the LM140K-12 in a high-temperature environment?
  The LM140K-12 is rated for operation up to 125°C, but its performance may degrade at high temperatures. Ensure proper heat sinking and thermal management to prevent overheating.
• How do I protect the LM140K-12 from input voltage spikes and transients?
  Use a transient voltage suppressor (TVS) diode or a voltage clamp circuit to protect the LM140K-12 from input voltage spikes and transients. This will help prevent damage to the regulator and ensure reliable operation.