Synchronous inverting DC-DC converter cuts component count

March 28, 2021 // By Nick Flaherty
Synchronous inverting DC-DC converter cuts component count
Integrated level-shifters in Maxim’s latest DC-DC converter cut board space by 72 percent, energy loss by 35 percent and improve voltage transient protection

Maxim Integrated has developed a 60V synchronous inverting step-down DC-DC converter for Industry 4.0 designs.

The MAX17577 and MAX17578 are Maxim’s first 60V inverting DC-DC converters with integrated level shifters, saving up to 72 percent of board space by reducing component footprint to 60 mm² while using 35 percent less energy than the closest competitive solutions.

Both DC-DC converter ICs simplify the design of negative output voltage rails needed for analogue signals in factory automation, building automation and communications systems. The synchronous inverting DC-DC converter protects against input voltage transients with an input voltage range from 4.5V to 60V, thus increasing system robustness in harsh environments.

“By integrating level shifters, the MAX17577 and MAX17578 reduces design size and component count dramatically for baseband solutions and IoT devices,” said John Woodward, business management director, Industrial Power Product Line at Maxim Integrated. “These efficient negative voltage regulators reduce system temperature rise and support the industry’s widest input voltage range to provide robust protection against unpredictable voltage transients.”

The MAX17577 and MAX17578 are available for $1.63 (1000-up, FOB USA). Evaluation kits are available for $29.73. EE-Sim models are also available at https://maxim.click/EE_Sim_Maxim https://maxim.click/MAX17577_Product

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