Altech recommends a 4-layer PCB with a dedicated ground plane and thermal vias to dissipate heat. A minimum of 2 oz copper thickness is recommended for the power traces. Additionally, a thermal pad on the bottom of the device should be connected to a heat sink or a thermal management system.
To ensure EMC, Altech recommends following the guidelines in the IEC 61000-4 series of standards. This includes using a metal enclosure, proper cable shielding, and filtering on the input and output lines. Additionally, the device should be placed at least 10 mm away from other components to minimize electromagnetic interference.
Altech provides a derating curve in the application note AN-001, which shows the recommended power derating at high temperatures. The curve indicates that the device can operate up to 85°C with a maximum power derating of 20%.
Yes, the HE1WPR/03 can be used in a redundant or parallel configuration to increase power availability and reliability. However, Altech recommends consulting with their application engineers to ensure proper design and implementation of the redundant or parallel system.
Altech recommends using a pi-filter (L-C-L) configuration on the input and output lines to minimize electromagnetic interference and ensure electromagnetic compatibility. The filter components should be selected based on the specific application requirements and operating frequency.
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HE1WPR/03 Overview
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