QT8E_0509S1U – GAPTEC

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The QT8E_0509S1U is a galvanically isolated DC-DC converter module designed for point-of-load applications requiring a regulated 9V output at 28mA. This module accepts a nominal 5V input with a ±10% tolerance (4.5V to 5.5V range). Isolation is a key feature, providing a high level of electrical separation between the input and output stages. The converter delivers a power output of 0.25W with a typical efficiency of 73%. It utilizes a fixed-frequency switching topology optimized for minimal ripple and noise. The device is constructed using robust components, enabling operation across a wide temperature range from -40°C to +85°C, suitable for harsh industrial environments. Its compact form factor allows for high-density board mounting. Protection features include short-circuit protection, enhancing overall system reliability. The design prioritizes thermal management to ensure stable performance across the specified operating temperature range.