
Isolated DC-DC converter, 12V, 20.8mA output, 10.8-13.2V input, 0.25W, 78% efficiency, -40°C to +105°C operating temperature.
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The QT8B_1212S3UP is a compact, isolated DC-DC converter module designed for point-of-load applications requiring a tightly regulated 12V output. This module delivers a single 12V output at 20.8mA, providing 0.25W of power. The input voltage range is specified as 10.8V to 13.2V, representing a ±10% tolerance around a nominal 12V input. Isolation is incorporated to provide galvanic separation between the input and output stages, enhancing system safety and reducing ground loop issues. The converter achieves a typical efficiency of 78% under nominal operating conditions. It is designed for robust performance across a wide temperature range, from -40°C to +105°C, making it suitable for demanding industrial and embedded applications. Internal circuitry provides protection against over-temperature and short-circuit conditions. The compact size and high power density facilitate easy integration into space-constrained designs.