MHz switching frequency-based devices enable miniaturization of the DC-DC converter and EMI filters
Achieving EMI conducted emission compliance for automobiles with a single stage filter. By Nicola Rosano, Sr. Strategic FA/System Engineer at Vicor
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A full brick package developed by TDK-Lambda, the PF1500B-360, is for high voltage distributed power architectures
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They can deliver up to 14A output current and operate over a 9V to 40V input. Power density is 427W/in3 and the supply is packaged in an industry standard 1/16th brick form factor.
They can be used for creating additional high current output voltages from a single output 12 or 24V AC/DC supply power supply in medical, communications, industrial, test and measurement, broadcast and portable equipment.
The compact, PCB-mount converters measure 33 x 22.9 x 12.7mm and offer efficiencies of up to 98%. Ambient operating temperature is -40 to 125°C. The thermal design allows for minimal output de-rating, even with low airflow and high ambient temperature conditions, says the company. The dynamic voltage response reduces the need for external capacitors.
Standard features include a trim pin for output voltage adjustment, remote sense, remote on-off (positive or negative logic), input under-voltage, over-current and over-temperature protection. Power good, operating frequency synchronisation and output sequencing are available as an option.
Safety certification includes IEC/EN 60950-1 and UL/CSA 60950-1.
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