The Q48T30015 DC-DC Converter presents itself as a high-performance, industry-standard quarter brick format power conversion module, particularly suited for telecom and related high-demand applications. Its efficient and robust design offers a groundbreaking solution to manage power supplies by converting a 36-75 VDC input to a 1.5 VDC, 30A output, all within a low-profile, through-hole mounted package.
Key Features
The converter boasts exceptional attributes, such as:
- Current and Efficiency: The device can deliver up to 30A, operating highly efficiently with 82.5% efficiency at full load and even higher (84.5%) at 15A.
- Compact Design: It has a very low profile of 0.28 inches and a light weight of 28 grams, designed with an industry-standard footprint and pinouts.
- Heat Management: With no heat sink required, it provides superior thermal performance, providing less airflow shadowing and thereby enhancing cooling for downstream components.
- Operational Integrity: It can start up with a pre-biased output and does not require a minimum load. Additionally, it withstands a 100V input transient for 100ms.
- Environmental Compliance: RoHS-compliant versions are available, addressing environmental and health concerns.
Protection and Standards
The Q48T30015 ensures safety and compliance:
- Regulatory Compliance: The converter is UL 60950 recognized, and DEMKO certified, meeting basic insulation requirements as well as FCC and EN55022 Class B emissions standards.
- Reliability: An MTBF of 2.6 million hours implies exceptional reliability.
- Safety Features: It incorporates a comprehensive range of safety features including remote output sense, output over-voltage protection, over-temperature shutdown, and auto-restart.
Applications and Performance
Its applications span across:
- Telecommunications
- Data communications
- Wireless networks
- Servers
The converter demonstrates superior performance, maintaining MOSFET temperatures below 120°C with various airflow rates and ambient temperatures – as shown in the provided performance graph.
Electrical Specifications
Input Voltage: It supports a wide operating input range from 48 VDC to 75 VDC. As per absolute maximum ratings, the input voltage can withstand up to 100 VDC for a duration of 100ms.
Environmental Tolerance: The operating ambient temperature ranges from -40°C to 85°C, while the storage temperature extends from -55°C to 125°C.
Output Characteristics: The output current range is specified from minimal to a high of 30A, non-latching into various overload and short-circuit conditions. The isolation characteristics mention a 2000VDC input to output.
Further Details: For an in-depth understanding of the component’s electrical specifications, interested parties are directed to refer to the additional notes and detailed input and output characteristics provided in the complete data sheet.
This summary is derived from the content of the first two pages of the Q48T30015 DC-DC Converter Data Sheet, initially released on May 2, 2003, and revised on November 20, 2006.
References:
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