Q48T20025 Data Sheet

Category: Electronics, Other Semiconductors, Powerone

The Q48T20025 Data Sheet presents detailed information on a high-performance DC/DC converter built for telecommunications, datacommunications, and wireless servers, among other applications. The device is designed to be fitted through-hole and provides a combination of technological advancements for superior efficiency, thermal management, and a low-profile physical design.

Key Features

The Q48T20025 converter is notable for its:

Current Output: Ability to deliver up to 20 A.
Efficiency: Rated at 84.5% efficiency at 20 A, rising to 87% at 10 A.
Startup Capability: It can start up into a pre-biased output without requiring a minimum load, and no heatsink is needed.
Physical Profile: It boasts the lowest profile in the industry at 0.28 inches (7.2 mm) height and light weight of approximately 0.88 ounces (25 g).
Compatibility: Conforming to industry-standard footprint and pinout specifications.
Safety and Compliance: Meets Basic Insulation Requirements of EN60950, survives 100 V input transients for 100 ms, and offers onboard LC input filtering.
Protection: Fully protected with remote output sensing, an output voltage trim range of 10%/-20%, and positive or negative logic ON/OFF.
Reliability: High Mean Time Between Failures (MTBF) of 2.6 million hours, calculated per Telcordia TR-332.
Certifications: UL 60950 recognized, DEMKO certified per IEC/EN 60950, and materials meeting UL94, V-0 flammability rating.
Interference Emissions: Meets FCC Class B and EN55022 Class B emissions standards with an external filter.

Performance Metrics

Performance is depicted through a graph (Fig. 1) that encapsulates the available load current against ambient air temperature and airflow rates, underscoring the converter’s efficiency under various operational conditions. The chart demonstrates how the converter maintains performance with MOSFET temperature less than 120°C and a nominal input voltage of 54 V, even at lower airflow levels.

Applications

Designed primarily for the telecommunications industry, the Q48T20025 converter is equally adept in fields such as datacommunications and wireless server infrastructure. Its robust construction and high reliability make it ideal for systems where consistent uptime and stringent regulations are standard.