110W 1/16th brick 55V DC-DC converter for RFPA and PoE applications

October 12, 2021 // By Nick Flaherty
110W 1/16th brick 55V DC-DC converter for RFPA and PoE applications
The 110W PKU4116HD DC-DC converter from Flex has 2250V isolation rating for RF power amplifier and Power over Ethernet applications

Flex Power Modules has launched a through-hole DC-DC converter with 36-60 V input and fully-regulated 55V output in a 1/16th brick form factor.

The PKU4116HD open-frame module measures 33.02mm x 22.86mm x 9.8mm and is rated at 110W, 2A output to 50°C ambient with natural convection, and to 85°C with additional airflow. The thermal design also allows operation to 100°C ambient with derating. Efficiency is typically 92.4 percent at 48 Vin, full load.

The PKU4116HD features monotonic start-up into a pre-biased load, a remote-control function, and full protection against over-temperature, input under-voltage, output over-voltage and over-current. Standby power is typically 0.5W.

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The input/output isolation of the module is 2250VDC and is compliant with IEC/EN/UL 62368-1 for Power over Ethernet (PoE) applications as well as a supply for RF power amplifiers in microwave radio systems and small cells. EN 55022/32, CISPR 22 and FCC part 15J conducted EMC levels can be met with a simple external filter network.

The PKU4116HD is suitable for pin-in-paste reflow processes for convenient automated assembly.

“This new sixteenth-brick DC/DC is a great addition to our range with its highly competitive price point. It’s ideal for price-sensitive PoE and cell base station applications," said David Xie, Flex Power Modules Director of R&D and Product Management at Flex Power Modules.

flexpowermodules.com

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Picture: 
The 110W PKU4116HD DC-DC converter from Flex

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