The maximum input voltage that can be applied to the TPS77625DRG4 is 6.5V, as specified in the absolute maximum ratings section of the datasheet. However, it's recommended to operate the device within the recommended operating conditions, which is up to 5.5V, to ensure reliable operation and to prevent damage to the device.
To ensure the TPS77625DRG4 is stable and does not oscillate, 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 provides a recommended component values and layout diagram that can be used as a reference.
The minimum input capacitance required for the TPS77625DRG4 is 1uF, as specified in the datasheet. However, it's recommended to use a higher value, such as 4.7uF or 10uF, to ensure that the device can handle input voltage transients and to improve the overall stability of the regulator.
The TPS77625DRG4 is rated for operation up to 125°C, but it's essential to consider the device's power dissipation and thermal management when operating in high-temperature environments. The datasheet provides thermal resistance values and power dissipation calculations that can be used to determine the device's operating temperature and to ensure reliable operation.
The output voltage of the TPS77625DRG4 can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (1.205V), and R1 and R2 are the resistors used to set the output voltage. The datasheet provides a detailed explanation of the output voltage calculation and a resistor value calculator that can be used to determine the required resistor values.
TPS77625DRG4 datasheet
by Texas Instruments
Findchips
