Q48T25020 DC-DC Converter Data Sheet

Category: Electronics, Other Semiconductors, Powerone

Overview of Q48T25020 DC-DC Converter

The Q48T25020 DC-DC Converter is an advanced, through-hole mounted power solution designed for optimal performance in a quarter brick format. Ideal for telecommunications, data communications, wireless technologies, and server applications, this converter facilitates efficient power conversion from a 36-75 VDC input to a 2.0 VDC, 25A output. Its industry-leading design exceeds the thermal performance of quarter and half brick converters without requiring a heat sink, thanks to its low body profile which minimizes airflow shadowing and supports enhanced cooling.

Key Features and Benefits

Key features of the Q48T25020 converter include:

Compliance with RoHS standards for lead-free solder and exemption for lead solder.
Delivery of up to 25A output with excellent efficiency, boasting an 85.5% efficiency at full load.
Capability to start up into pre-biased outputs without a minimum load requirement.
Low profile (0.28 inches) and lightweight design (28 grams typical).
Meets the basic insulation requirements of EN60950 and withstands 100 V input transients for 100 ms.
Incorporates an on-board LC input filter and features fixed-frequency operation.
Features a trimmable output voltage, remote output sense, and a range of protection features, including over-voltage and over-temperature shutdown.
Demonstrates high reliability with an MTBF of 2.6 million hours.
Offers both positive and negative logic ON/OFF options and meets emissions requirements with an external filter.

Electrical Specifications

The electrical specifications of the Q48T25020 unit, such as input voltage, operating temperature ranges, and output characteristics, are outlined with emphasis on their high efficiency and stable operation across a range of conditions. Absolute maximum ratings specify the operating environmental limits, while input characteristics detail the functioning input voltage range and sensitivity. Output characteristics cover load capacitance, current range, and short-circuit resilience, ensuring broad applicability and safety. Isolation and feature characteristics encompass isolation voltage, resistance, frequency, and control options, confirming the converter’s suitability for a variety of equipment and scenarios. Moreover, the converter’s flexibility in voltage trimming encompasses adjustments via sense leads or trim function, with a cap to maintain over-voltage protection integrity.

With a production revision dated to November 20, 2006, Power-One ensures that this datasheet reflects the most current iteration of the Q48T25020 converter, embodying efficiency and reliability in power conversion for technologically demanding applications.