
Isolated DC-DC converter, 2.97-3.63V in, 15V/16.7mA out, 0.25W, 78% efficiency, -40°C to +105°C operation.
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The QT8B_0315S3UP is a galvanically isolated DC-DC converter module engineered for point-of-load applications. This compact module provides a regulated 15V DC output at 16.7mA, delivering 0.25W of power. Input voltage acceptance ranges from 2.97V to 3.63V, representing a ±10% tolerance around a nominal 3.3V input. Isolation is a key feature, offering robust protection and enabling ground loop mitigation. The converter achieves a typical efficiency of 78% under nominal operating conditions. Designed for demanding environments, the QT8B_0315S3UP operates reliably across a wide temperature range, from -40°C to +105°C, making it suitable for industrial and embedded applications. The module utilizes a fixed-frequency switching topology to minimize output ripple and noise. Internal protection features include short-circuit protection and thermal shutdown, enhancing overall system reliability.