The MAX1487EESA requires careful layout and placement to ensure proper operation. Maxim recommends placing the device near the power source, using a solid ground plane, and keeping the input and output traces short and separate to minimize noise and EMI. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
The input and output capacitors should be chosen based on the specific application requirements. For the input capacitor, a low-ESR ceramic capacitor with a value between 1uF to 10uF is recommended. For the output capacitor, a low-ESR ceramic or tantalum capacitor with a value between 1uF to 22uF is recommended. The capacitor values should be chosen to ensure that the device meets the required output voltage ripple and transient response.
The MAX1487EESA is rated for operation from -40°C to +125°C ambient temperature range. However, the device's performance and reliability may be affected at extreme temperatures. It is recommended to derate the device's performance and ensure proper thermal management to ensure reliable operation.
To ensure the MAX1487EESA meets the required EMC standards, it is recommended to follow proper PCB layout and design guidelines, use shielding and filtering components, and ensure that the device is properly decoupled from the power source. Additionally, the device should be tested and certified to meet the relevant EMC standards, such as EN55022 and CISPR22.
The MAX1487EESA is designed to operate from a wide input voltage range of 4.5V to 60V. However, the device's performance and reliability may be affected if the input voltage is outside this range. It is recommended to ensure that the input voltage is within the specified range to ensure proper operation.
MAX1487EESA datasheet
by Maxim Integrated Products
