The maximum operating temperature range for the LTC487ISW is -40°C to 85°C, but it can be extended to -55°C to 125°C with some limitations on performance and reliability.
To ensure reliable operation in high-vibration environments, it is recommended to use a robust PCB design, secure the device with a suitable mounting method, and consider using a vibration-dampening material or potting compound.
A recommended layout and routing for the LTC487ISW includes keeping sensitive analog signals away from digital signals, using a solid ground plane, and minimizing loop areas and trace lengths. Additionally, it is recommended to use a shielded enclosure and consider using EMI filters or ferrite beads.
To troubleshoot issues with the LTC487ISW, start by verifying the input voltage, output voltage, and current sense resistor values. Check for proper PCB layout and routing, and ensure that the device is properly soldered and mounted. Use an oscilloscope to monitor the output voltage and current sense signals, and consult the datasheet and application notes for guidance.
Yes, the LTC487ISW can be used in a redundant or fault-tolerant power supply design. The device's built-in fault detection and shutdown features can be used to detect and respond to faults, and the device's output can be paralleled with other LTC487ISW devices to provide redundancy.
LTC487ISW datasheet
by Linear Technology
