The recommended layout and placement for the MAX7490EEE+T involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to place the device near the power source and to use a low-ESR capacitor for the output filter.
To ensure the MAX7490EEE+T is stable and doesn't oscillate, it's essential to follow the recommended layout and placement guidelines, use the correct output capacitor value and type, and ensure the input voltage is within the specified range. Additionally, it's recommended to add a small ceramic capacitor (e.g., 10nF) between the output and ground to improve stability.
The MAX7490EEE+T can handle a maximum input voltage of 5.5V. Exceeding this voltage may damage the device or affect its performance.
The MAX7490EEE+T is rated for operation up to 125°C. However, it's essential to consider the device's power dissipation and thermal management when operating in high-temperature environments. Ensure that the device is properly heatsinked and that the junction temperature (Tj) does not exceed 125°C.
The output voltage of the MAX7490EEE+T can be calculated using the following formula: Vout = (Vref x (1 + R1/R2)), where Vref is the internal reference voltage (1.25V), R1 is the feedback resistor, and R2 is the divider resistor. The output voltage range is from 1.25V to 5V.
MAX7490EEE+T datasheet
by Maxim Integrated Products
