Maxim

Maxim’s Himalaya Step-Down DC-DC Converters Enable Rapid Compliance of Safety Standards for Industrial Applications

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MAX17572 and MAX17574 reduce power dissipation by 40% and solution size by 50%

System architects can now rapidly comply to international electrotechnical commission (IEC) and safety integrated level (SIL) standards to achieve long-term system reliability with the MAX17572 and MAX17574 Himalaya synchronous step-down DC-DC converters from Maxim Integrated Products, Inc. (NASDAQ: MXIM). These highly efficient converters provide a 40% reduction in power dissipation and shrink solution size by 50% compared to other solutions.

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• For more information about MAX17572, visit: https://www.maximintegrated.com/products/MAX17572
• For more information about MAX17574, visit: https://www.maximintegrated.com/products/MAX17574

The industrial market is digitizing at a rapid pace, all while continually improving the safety, performance, and intelligence of systems. Tasked with deploying processors from sensors to control units, designers must reduce power dissipation while managing space constraints. They are also hard-pressed with thermal challenges and meeting safety standard regulations—critical to robust long-term reliability, yet very time consuming. In addition, designers must account for high voltage transients up to 60V on a 24V or 48V bus.

With Maxim’s MAX17572 and MAX17574 DC-DC converters, designers can 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. The converters guarantee 1A and 3A operation (5V output) and 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. Operating over the -40-degree Celsius to +125-degree Celsius 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.

Key Advantages

  • High Efficiency: Delivers >90% efficiency across 50-100% of the load current
  • Small Solution Size: Integrated MOSFETs and compensation reduce solution size; Operates at high-switching frequency with low minimum on-time
  • Ease of Use: Internal compensation addresses any output voltage and switching frequency combination without compromising bandwidth for rapid design

Commentary

  • “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.”

Availability and Pricing

  • The MAX17572 and MAX17574 are available at Maxim’s website and select authorized distributors
  • The MAX17572 is available for $1.83 (1000-up, FOB USA)
  • The MAX17574 is available for $2.19 (1000-up, FOB USA)
  • Evaluation kits are available for $29.73: MAX17572EVKITA#, MAX17572EVKITB#, MAX17574EVKITA#, MAX17574EVKITB#

For all products within the family of Himalaya step-down switching regulators,

visit http://bit.ly/Himalaya_Step_Down_Regulators.

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