The maximum input voltage that can be applied to the TPS75818KC is 13.2V, as specified in the datasheet. However, it's recommended to limit the input voltage to 12V to ensure reliable operation and to prevent damage to the device.
To ensure stability, it's essential to follow the layout guidelines provided in the datasheet, including keeping the input and output capacitors close to the device, using a low-ESR output capacitor, and minimizing the loop area of the feedback network. Additionally, the datasheet recommends a specific compensation network to ensure stability.
The TPS75818KC is a high-current LDO regulator, and it can deliver up to 1.5A of output current. However, the minimum output current is not specified in the datasheet. In general, LDO regulators like the TPS75818KC can deliver very low output currents, typically in the range of 1-10mA, depending on the specific application and requirements.
The TPS75818KC is rated for operation up to 125°C, making it suitable for high-temperature applications. However, it's essential to ensure that the device is properly derated for temperature, and that the maximum junction temperature (TJ) is not exceeded. The datasheet provides guidance on thermal derating and junction temperature calculations.
The power dissipation of the TPS75818KC can be calculated using the formula: Pd = (VIN - VOUT) x IOUT, where Pd is the power dissipation, VIN is the input voltage, VOUT is the output voltage, and IOUT is the output current. Additionally, the datasheet provides a thermal resistance (RθJA) value, which can be used to calculate the junction temperature (TJ) and ensure that it remains within the specified limits.
TPS75818KC datasheet
by Texas Instruments
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