Q48T30033 DC-DC Converter Data Sheet

Category: Electronics, Other Semiconductors, Powerone

Overview

The Q48T30033 DC-DC Converter is a high-performance, through-hole mounted converter that operates within an input range of 36-75 VDC and provides an output of 3.3 VDC at 30A. It boasts a compact industry-standard quarter brick format, pushing boundaries with ultra-high efficiency, exceptional thermal performance, and a remarkably low body profile. This product is purposefully designed for telecommunications applications, where it delivers superior thermal management compared to conventional quarter bricks and matches the performance of half-bricks.

Features and Benefits

Designed with a focus on superior quality and reliability, the converter incorporates 100% surface-mount technologies and advanced electric and thermal circuitry. Key features include:

Environmentally Friendly: RoHS compliant with lead-free solder options.
High Power Delivery: Capable of delivering up to 30A, with higher current capability at 70°C compared to existing products in its class.
Efficiency: Operates at 88% efficiency with a 30A load and 89% at 15A.
Size and Weight: Features a low profile at 0.28 inches [7.2mm] and a low weight of 1 oz [28g] typical.
Industry Standards: Fits the industry-standard footprint and pinout, ensuring compatibility and easy integration.
Certifications: Complies with UL 60950 recognized in the U.S. & Canada, and DEMKO certified per IEC/EN 60950.

Functional Highlights

The Q48T30033 converter has no minimum load requirement, can start up into pre-biased output, and does not require a heat sink. It also offers the following functionality:

On-board LC input filter.
Fixed-frequency operation for stable performance.
Comprehensive protection for the device and connected systems.
Remote output sense and an output voltage trim range of +10%/-20%.
Reliability backed by an MTBF of 2.6 million hours as per Telcordia TR-332.

Performance Characteristics

Conversions are done smoothly with a 100V input transient withstand capacity for 100ms. The device meets FCC Class B and EN55022 Class B with an external filter and all materials are rated UL94, V-0 for flammability.

Applications

The Q48T30033 converter is ideal for a variety of high-demand applications including:

Telecommunications systems.
Data communications networks.
Wireless infrastructure.
Server technologies.

Chart Analysis

Figure 1 on the datasheet shows the available load current relative to ambient air temperature and airflow rates, demonstrating the converter’s performance in different thermal and airflow conditions.