LT137AH datasheet by Linear Technology

LT137AH Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LT137AH?
  The maximum input voltage that can be applied to the LT137AH is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent damage to the internal components.
• How do I ensure stability in the LT137AH voltage regulator?
  To ensure stability in the LT137AH voltage regulator, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the input and output capacitors close to the device and use a low-ESR capacitor for the output.
• What is the minimum load current required for the LT137AH to maintain regulation?
  The LT137AH can maintain regulation down to a minimum load current of 1mA, but it's recommended to have a minimum load current of 10mA for optimal performance.
• Can I use the LT137AH in a high-temperature environment?
  The LT137AH is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases to prevent overheating and ensure reliable operation.
• How do I protect the LT137AH from input voltage transients?
  To protect the LT137AH from input voltage transients, use a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input to limit the voltage to within the recommended range.