Overview of Q48T30018 DC-DC Converter
The Q48T30018 DC-DC Converter is a prominent power solution presented in a quarter brick format, tailored for demands in telecommunications, data communications, wireless technologies, and servers. Empowered by patent-pending circuits and packaging, this converter outperforms standard quarter brick converters by delivering high efficiency, excellent thermal management, and a low-profile structure.
Key Features and Compliance
The datasheet outlines the main features, including its:
- Up to 30A output at a high efficiency rate of up to 85.5%.
- Start-up without a minimum load and the capability to work without a heat sink.
- Low profile height of 0.28 inches and light weight of 28 grams that contributes to efficient cooling.
- Industry-standard footprint and pinout, alongside full protection features including remote output sense and voltage trim.
- Compliance with RoHS, UL60950, DEMKO, EN60950, and meets FCC Class B and EN55022 Class B emissions standards with additional filtering.
Additionally, the power converter’s materials are UL94, V-0 flammability rated.
Performance and Reliability
With an impressive Mean Time Between Failure (MTBF) of 2.6 million hours, and its ability to endure 100V input transients for 100ms, this converter stands out for its reliability. It’s engineered to maintain a high current capability even at elevated temperatures of 70°C.
A detailed graph provided (Fig. 1) demarcates the load current capabilities relative to ambient air temperature and airflow rates when the converter is mounted vertically. This reflects the thermal performance benchmark that the Q48T30018 converter achieves.
Electrical Specifications
Electrical parameters are specified at a standard condition of 25°C ambient temperature with 300 LFM airflow, input voltage of 48Vdc. The converter operates within a voltage range of 36-75Vdc, managing a maximum transient voltage of 100Vdc for 100ms. Output characteristics include a broad range of adjustable output current and fixed-frequency operation. Isolation features ensure safe operational distances, coupled with resistance and capacitance safeguards.
The device provides flexibility with feature characteristics such as output voltage trim, remote sense compensation, and auto-restart after shutdowns for protection. ON/OFF control options cater to both positive and negative logic preferences.
Conclusion
This datasheet of Q48T30018 DC-DC Converter envisions a power module that not only meets the standard electrical requirements but exceeds them through novel design strategies, ensuring its place as a robust and efficient power solution for various high-demand applications.
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