The recommended PCB layout for the MAX8890ETCAAA+ 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 use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to reduce noise and improve performance.
The selection of input and output capacitors for the MAX8890ETCAAA+ depends on the specific application requirements. In general, it's 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 capacitor selection should also consider the voltage rating, ripple current rating, and temperature rating.
The MAX8890ETCAAA+ is rated for operation over a temperature range of -40°C to +125°C. However, the device's performance and reliability may be affected at extreme temperatures, and it's recommended to operate the device within a temperature range of -20°C to +85°C for optimal performance.
The MAX8890ETCAAA+ has a specific power-up and power-down sequence that must be followed to ensure proper operation. The device should be powered up by applying the input voltage to the VIN pin, followed by the enable signal to the EN pin. During power-down, the enable signal should be removed first, followed by the input voltage.
The MAX8890ETCAAA+ is capable of delivering up to 2A of output current. However, the actual output current capability may be limited by the input voltage, output voltage, and the device's thermal performance.
MAX8890ETCAAA+ datasheet
by Maxim Integrated Products
