LT1171CT datasheet by Linear Technology

LT1171CT Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LT1171CT?
  The maximum input voltage that can be applied to the LT1171CT is 15V, but it's recommended to keep it below 12V for reliable operation.
• How do I ensure stability in the LT1171CT voltage regulator?
  To ensure stability, 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 regulator to minimize parasitic inductance.
• Can I use the LT1171CT in a high-temperature environment?
  The LT1171CT is rated for operation up to 125°C, but its performance may degrade at high temperatures. Make sure to derate the output current and input voltage according to the datasheet's thermal derating curves.
• How do I calculate the power dissipation of the LT1171CT?
  Power dissipation can be calculated using the formula: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Iq is the quiescent current. Make sure to consider the thermal resistance of the package and the PCB when calculating the junction temperature.
• Can I use the LT1171CT in a switching regulator application?
  No, the LT1171CT is a linear voltage regulator and is not suitable for switching regulator applications. It's designed for low-dropout, low-noise, and high-PSRR applications.