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Industrial DC-DC Converters Reduce Power Dissipation By 40%; Solution Size By 50%

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Industrial DC-DC Converters Reduce Power Dissipation By 40%; Solution Size By 50%

New step-down DC-DC converters from Maxim Integrated are claimed to provide a 40% reduction in power dissipation and shrink solution size by 50% compared to other solutions, allowing industrial system designers rapidly comply to international safety standards.

The MAX17572 and MAX17574 are ideal for high voltage industrial applications such as sensors, programmable logic controllers (PLCs), industrial controls, distributed supply regulation, and factory/building/power grid automation. They are also applicable for battery back-up, Power-over-Ethernet (PoE), and data centers.

The new Himalaya synchronous step-down DC-DC converters with integrated MOSFETs operate over a 4.5V to 60V input. The MAX17572 and MAX17574 can deliver up to 1A and 3A current respectively.

“The converters allow designers to operate 4.5-60V as well as reduce power dissipation and solution size compared to other solutions to rapidly comply with the IEC 61508 safety standard”, stated Maxim in the announcement.

Key advantages offered by the new products include a high efficiency (>90%) across 50-100% of the load current, small solution size due to integrated MOSFETs and compensation, and high-switching frequency with low minimum on-time.

“Industrial equipment’s control power supply inputs must meet 60V input and low thermal dissipation for reliable operation and standards compliance,” said Andreas Kuhn, Head of Hardware Development, Drives Chemnitz, Siemens AG. “With Maxim’s Himalaya DC-DC converters, we can consistently meet our requirements for the SINAMICS Drives Family.”

“Maxim was the first to bring synchronous rectification at 60V to the market,” said Viral Vaidya, Executive Business Manager at Maxim Integrated. “Today, we continue this innovative approach by delivering 40% lower dissipation even against competing synchronous solutions.”

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Operating over the -40 deg C to +125 deg C temperature range, the MAX17572 is available in a 12-pin, 3mm x 3mm thin-DFN (TDFN) package and the MAX17574 is available in a 24-pin, 4mm X 5mm TQFN package.

The MAX17572 is available for $1.83 (1000-up, FOB USA) and the MAX17574 is available for $2.19 (1000-up, FOB USA). Evaluation kits are available for $29.73.

For more information, click here.

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