Q48T30020 DC-DC Converter Data Sheet

Category: Electronics, Other Semiconductors, Powerone

The Q48T30020 DC-DC Converter is a high-performance, through-hole mounted component offering industry-leading efficiency and thermal performance within a quarter brick standard format. Developed by Power-One, the device operates with an input voltage range of 36-75 VDC and delivers an output of 2.0 VDC at an impressive current of 30A. It stands out for its compactness, employing a low profile design at just 0.28 inches in height and weighing approximately 28 grams.

Key Features

The converter is RoHS compliant and comes with features that include:

RoHS lead-free solder and lead-solder-exempted products availability.
No heat sink requirement due to its exceptional thermal performance.
Ability to deliver up to 30A of current, with higher capabilities at 70°C compared to similar products.
High efficiency rates, attaining 85% at full load and 86.5% at half load.
Compatibility with pre-biased outputs on startup and no minimum load necessary.
Industry-standard footprint (1.45″ x 2.30″) and pinout for easy integration.
Compliance with Basic Insulation Requirements of EN60950.
100 V input transient withstand for 100 ms capability.
On-board LC input filter and fixed-frequency operation for consistent performance.
Fully protected circuit with remote output sensing and an output voltage trim range of +10%/-20%.
High reliability, with an MTBF of 2.6 million hours as per Telcordia TR-332.

Protection and Compliance

The converter ensures complete protection features and meets safety certifications such as UL 60950, DEMKO, and flammability ratings of UL94, V-0. Furthermore, it meets the FCC Class B and EN55022 Class B emissions with an external filter.

Applications

Its robust performance and adaptable features make the Q48T30020 suitable for a broad range of applications including:

Telecommunications systems.
Data communications equipment.
Wireless infrastructure.
Server power systems.

Electrical Specifications

The product’s electrical functionality is outlined under standard conditions of 25°C ambient temperature, 48 Vdc input voltage, and 300 LFM air flow rate:

Input voltage range of 36-75 Vdc with a maximum absolute input of 80 Vdc.
Operating ambient temperature from -40°C to 85°C.
Storage temperature range between -55°C to 125°C.
Output current ranging from 0 to a maximum of 30 Adc.
Isolation characteristics include 2000 Vdc isolation and up to 230 kHz switching frequency.
Over-voltage, over-temperature protections, and remote sense compensation to ensure optimal performance.

The Q48T30020’s launch reflects Power-One’s commitment to “Changing the Shape of Power” by providing efficient, reliable, and compact power conversion solutions.