The maximum input voltage that can be applied to the LD1117S33CTR is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent overheating.
To ensure the stability of the output voltage, it's essential to use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 1 ohm, and to keep the input capacitance as close to the regulator as possible.
The maximum output current that the LD1117S33CTR can provide is 800mA, but it's recommended to keep it below 500mA for optimal performance and to prevent overheating.
To protect the LD1117S33CTR from overheating, ensure good thermal conductivity between the device and the PCB, use a heat sink if necessary, and keep the ambient temperature below 70°C.
The LD1117S33CTR 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.
LD1117S33CTR datasheet
by STMicroelectronics
