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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The convection-rated AC/DC power supplies are available in multiple formats and power levels including 250, 425, 660 and 1200W. The company plans to release further versions, 150 and 800W soon. All models have a single output from 12 to 56V DC.Rather than cooling with fans, the power supplies eliminate acoustic noise and increase reliability with a convection rating performance. The scalable design has customisation options such as enhanced digital monitoring and control, multi-output, cardiac float (cf), covers and fan covers.
The NGB series offers Class I and II inputs with high output stability across wide temperature range up to 50°C without derating. It also has a wide universal input range of 80 to 264V AC and has a high convection power rating (derated only at 90V AC input voltages).
The use of a (minimum) seven year electrolytic capacitor extends operating lifetime, says the company.
The series is qualified to Medical 4th Edition and heavy industrial levels of EMC compliance, meeting Class B emission levels with margins. It is approved to CSA/EN/IEC UL62368, IEC61326-1/UL60601-1, 3rd Edition and has a three-year warranty.
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