The MAX1744AUB requires careful layout and placement to ensure proper operation. It is recommended to follow the layout guidelines provided in the datasheet, including keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
The selection of input and output capacitors depends on the specific application requirements. In general, it is recommended to use low-ESR capacitors with a value of 10uF to 22uF for the input capacitor and 10uF to 47uF for the output capacitor. The datasheet provides more detailed guidance on capacitor selection.
The MAX1744AUB has an absolute maximum input voltage rating of 6V. However, the recommended operating input voltage range is 2.7V to 5.5V. Exceeding the absolute maximum input voltage can damage the device.
To ensure stability, it is recommended to follow the layout guidelines, use the recommended input and output capacitors, and ensure that the input voltage is within the recommended operating range. Additionally, the datasheet provides guidance on how to calculate the stability margin and adjust the compensation components if necessary.
The typical startup time for the MAX1744AUB is around 1ms to 2ms, depending on the input voltage and output load. However, this time can vary depending on the specific application and layout.
MAX1744AUB datasheet
by Maxim Integrated Products
