LM2940T-10.0 datasheet by Texas Instruments

LM2940T-10.0 Frequently Asked Questions (FAQs)

• What is the maximum input voltage that the LM2940T-10.0 can handle?
  The maximum input voltage that the LM2940T-10.0 can handle is 26V, but it's recommended to keep it below 20V for reliable operation.
• How do I ensure the output voltage is stable and regulated?
  To ensure the output voltage is stable and regulated, make sure to use the recommended output capacitor (10uF) and input capacitor (10uF) values, and keep the input voltage within the recommended range.
• What is the minimum input voltage required for the LM2940T-10.0 to operate?
  The minimum input voltage required for the LM2940T-10.0 to operate is 11V, but it's recommended to keep it above 12V for reliable operation.
• Can I use the LM2940T-10.0 in a high-temperature environment?
  The LM2940T-10.0 is rated for operation up to 125°C, but it's recommended to keep the junction temperature below 115°C for reliable operation. Make sure to provide adequate heat sinking and thermal management.
• How do I calculate the power dissipation of the LM2940T-10.0?
  The power dissipation of the LM2940T-10.0 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.