LM337KTER datasheet by Texas Instruments

LM337KTER Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LM337KTER?
  The maximum input voltage that can be applied to the LM337KTER is 40V. Exceeding this voltage can cause damage to the device.
• How do I ensure stability of the output voltage in my application?
  To ensure stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF and a minimum ESR (Equivalent Series Resistance) of 0.5 ohms. Additionally, the input capacitor should be at least 10uF with an ESR of 0.5 ohms or less.
• What is the minimum load current required for the LM337KTER to regulate properly?
  The LM337KTER requires a minimum load current of 3.5mA to regulate properly. If the load current is less than this, the output voltage may not be regulated accurately.
• Can I use the LM337KTER in a high-temperature environment?
  The LM337KTER is rated for operation up to 125°C. However, the device's performance and reliability may be affected at high temperatures. It is recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.
• How do I protect the LM337KTER from input voltage transients?
  To protect the LM337KTER from input voltage transients, it is recommended to use a TVS (Transient Voltage Suppressor) diode or a zener diode with a voltage rating higher than the maximum input voltage. Additionally, a series resistor and capacitor can be used to filter out high-frequency noise and transients.