The maximum input voltage that can be applied to the LT1117CM-3.3 is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
The LT1117CM-3.3 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation.
To ensure the stability of the LT1117CM-3.3 output voltage, it's recommended to use a minimum output capacitance of 10uF and a maximum ESR of 5 ohms. Additionally, the input capacitor should be at least 1uF with an ESR of less than 5 ohms.
The LT1117CM-3.3 has a dropout voltage of around 1.2V, which means it can operate with an input voltage as low as 4.5V. However, the output voltage regulation may not be as tight at low input voltages, so it's recommended to check the datasheet for specific performance characteristics.
The power dissipation of the LT1117CM-3.3 can be calculated using the formula: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Vin is the input voltage, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current.
LT1117CM-3.3 datasheet
by Linear Technology
