Q48T30018 DC-DC Converter Data Sheet Overview

Category: Electronics, Other Semiconductors, Powerone

Introduction to Q48T30018 DC-DC Converter

The Q48T30018 is a through-hole mounted DC-DC converter known for its remarkable performance in the industry-standard quarter brick size. The device leverages patent-pending circuitry and packaging techniques, enhancing its efficiency, thermal management, and maintaining a low profile. A key application area is telecommunications, where the Q48T30018’s thermal performance outshines comparable products, including quarter and half-brick converters.

Key Features and Compliance

Available in both RoHS compliant and lead-solder-exempt versions, the Q48T30018 delivers up to 30A output. Other significant features include high efficiency with 84% at 30A, the ability to start up with a pre-biased output, and operation without a minimum load or heat sink. The module’s low-profile design and 100% surface-mount technology contribute to its high quality and reliability. Moreover, the converter’s industry-standard footprint and pinout facilitate easy integration.

Technical Specifications and Protection

The device offers a range of protective features: basic insulation per EN60950, transient tolerance of 100V for 100ms, an LC input filter, and fully protected circuits including over-voltage and -temperature shutdowns.

Electrical Performance and Controls

Electrical specifications define the operating input voltage range (36-75Vdc), efficiency levels, output current range (up to 30A), and isolation characteristics, ensuring safe and reliable usage. The Q48T30018 features adjustable output voltage, remote sense compensation, and a fixed-frequency operation at 230-435kHz.

Cooling and Environmental Tolerance

Without the need for a heat sink, the converter minimizes airflow shadowing, vital for cooling downstream devices. The chart provided offers insights into load current capabilities versus ambient temperature and airflow rates, highlighting robust performance in varying conditions.

Applications

The converter is suitable for telecommunications, data communications, wireless infrastructure, and server applications, making it versatile across various sectors.

Regulatory Compliance

The converter not only adheres to stringent safety and environmental standards, including UL 60950 and DEMKO certifications but also meets FCC Class B and EN55022 Class B emissions requirements.

Summary Points

In summary, the Q48T30018 DC-DC converter sets a benchmark in efficiency and thermal performance for demanding applications, particularly in the telecommunications field. The unit provides a practical solution that is compliant with key regulatory standards and designed for straightforward integration into existing systems.