The recommended layout and placement for the MAX9546ESA+ 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 stability and prevent oscillations in the MAX9546ESA+, it's essential to follow the recommended layout and placement guidelines, use a sufficient output capacitor value, and ensure that the input voltage is within the recommended range. Additionally, the device's compensation pin (COMP) can be used to adjust the loop compensation and prevent oscillations.
The MAX9546ESA+ can handle input voltages up to 28V, but it's recommended to operate the device within the recommended input voltage range of 4.5V to 24V for optimal performance and reliability.
The MAX9546ESA+ is rated for operation up to 125°C, but it's essential to ensure that the device is properly derated for high-temperature operation. The device's power dissipation and output current capability may need to be reduced at higher temperatures to prevent overheating and ensure reliability.
The output voltage of the MAX9546ESA+ 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 adjustable from 0.8V to 12V.
MAX9546ESA+ datasheet
by Maxim Integrated Products
