LT1085CT-5 datasheet by Linear Technology

LT1085CT-5 Frequently Asked Questions (FAQs)

• What is the maximum input voltage that I can apply to the LT1085CT-5?
  The maximum input voltage for the LT1085CT-5 is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
• Can I use the LT1085CT-5 in a high-temperature environment?
  The LT1085CT-5 has a maximum operating junction temperature of 125°C, but it's recommended to keep it below 85°C for optimal performance and reliability. You can use thermal management techniques like heat sinks or cooling fans to keep the temperature within the recommended range.
• How do I calculate the output voltage of the LT1085CT-5?
  The output voltage of the LT1085CT-5 is fixed at 5V, and it's not adjustable. However, you can use an external resistor divider network to create a adjustable output voltage, but this is not recommended as it may affect the regulator's performance and stability.
• What is the minimum input voltage required for the LT1085CT-5 to operate?
  The minimum input voltage required for the LT1085CT-5 to operate is 7.2V, but it's recommended to keep it above 7.5V for optimal performance and to prevent dropout.
• Can I use the LT1085CT-5 in a switching power supply application?
  The LT1085CT-5 is a linear voltage regulator, not a switching regulator, so it's not suitable for switching power supply applications. It's designed for low-power, low-noise applications where high efficiency is not critical.