The maximum input voltage that can be applied to the LD1117S25TR 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 LD1117S25TR can provide is 800mA, but it's recommended to keep it below 500mA for optimal performance and to prevent overheating.
To protect the LD1117S25TR from overheating, ensure good thermal conduction by using a heat sink or a thermal pad, and keep the ambient temperature below 70°C. Also, avoid high input voltages and high output currents.
The LD1117S25TR is rated for operation up to 125°C, but its performance may degrade at high temperatures. If you need to operate in a high-temperature environment, consider using a heat sink or a thermal pad to keep the junction temperature below 125°C.
LD1117S25TR datasheet
by STMicroelectronics
