The maximum input voltage that can be applied to the TPS3307-25DG4 is 18V, as specified in the datasheet. However, it's recommended to keep the input voltage below 15V 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 power traces. Additionally, the datasheet recommends a specific compensation network to ensure stability.
The TPS3307-25DG4 is a 3A low-dropout linear regulator, and it can supply a minimum output current of 1mA. However, the device is designed to operate efficiently at higher output currents, typically above 10mA.
The TPS3307-25DG4 is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's essential to follow the thermal management guidelines provided in the datasheet and to ensure proper heat sinking to prevent overheating.
The power dissipation of the TPS3307-25DG4 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. The datasheet provides a thermal resistance value (RθJA) that can be used to estimate the junction temperature rise due to power dissipation.
TPS3307-25DG4 datasheet
by Texas Instruments
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