LT1587CT datasheet by Linear Technology

LT1587CT Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LT1587CT?
  The maximum input voltage that can be applied to the LT1587CT is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
• How do I ensure the LT1587CT is stable and doesn't oscillate?
  To ensure stability, make sure to follow the recommended layout and component placement guidelines, use a low-ESR output capacitor, and add a 10nF to 100nF capacitor between the VCC and GND pins to filter out noise.
• What is the minimum output current that the LT1587CT can supply?
  The LT1587CT can supply a minimum output current of 1mA, but it's recommended to keep the output current above 5mA to ensure optimal performance and to prevent the regulator from entering a low-power state.
• Can I use the LT1587CT in a high-temperature environment?
  The LT1587CT is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures to ensure reliable operation.
• How do I calculate the power dissipation of the LT1587CT?
  The power dissipation of the LT1587CT 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. Make sure to consider the thermal resistance and junction temperature to ensure reliable operation.