The recommended PCB layout for the MAX5974CETE+ is to use a 4-layer board with a solid ground plane, and to keep the input and output traces as short as possible. Additionally, it's recommended to use a common-mode choke or ferrite bead to filter out high-frequency noise on the input lines.
To ensure the MAX5974CETE+ is properly biased, make sure to connect the VCC pin to a stable 3.3V or 5V power supply, and the GND pin to a solid ground plane. Also, ensure that the input voltage (VIN) is within the recommended range of 3.3V to 5.5V, and that the output voltage (VOUT) is properly decoupled with a 10uF ceramic capacitor.
The maximum output current capability of the MAX5974CETE+ is 1A. However, it's recommended to derate the output current to 0.8A or less to ensure reliable operation and to prevent overheating.
To protect the MAX5974CETE+ from input voltage transients and surges, it's recommended to add a TVS (transient voltage suppressor) diode or a voltage clamp circuit at the input. Additionally, ensure that the input voltage is properly filtered and decoupled with a 10uF ceramic capacitor.
The thermal shutdown temperature of the MAX5974CETE+ is typically around 150°C. If the junction temperature exceeds this threshold, the device will shut down to prevent damage.
MAX5974CETE+ datasheet
by Maxim Integrated Products
Findchips
