
Isolated DC-DC converter: 4.5-5.5V input, 15V/16.7mA output, 0.25W, 78% efficiency, -40°C to +105°C operating temperature.
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The QT8B_0515S3UP is a compact, isolated DC-DC converter module designed for providing a regulated 15V output at 16.7mA from a 4.5V to 5.5V input. This single-output module utilizes a flyback topology to achieve galvanic isolation between the input and output stages, ensuring robust performance in sensitive applications. The converter exhibits a typical efficiency of 78% across the specified input voltage range. The module is designed to operate within a wide temperature range of -40°C to +105°C, making it suitable for harsh environments. Its power handling capacity is rated at 0.25W. Input voltage tolerance is specified at ±10%, providing resilience against input voltage fluctuations. Internal protection features include short-circuit protection on the output, enhancing system reliability. Component selection prioritizes high-temperature stability and long-term reliability.