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Synchronous regulators feature up to 60V input capability

16 Sep 2014

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Texas Instruments debuted two families of simple switcher regulators that simplify wide VIN synchronous power supply design and help engineers create energy-efficient, electromagnetic interference-compliant products.

The LM4360x and LM4600x DC/DC converters feature an input voltage range of up to 60V for high-reliability in rugged systems, and 27µA of standby current to minimise power consumption at light load. The unique synchronous power stage architecture reduces radiated emissions for EMC compliance in a variety of industrial, automotive and communications applications.

The LM4360x synchronous regulators support an input voltage range from 3.5V to 36V, and generate output currents of up to 3A. Meanwhile, the LM4600x family supports an input of 3.5V to 60V and output currents of up to 2A. The converters integrate compensation, control features and MOSFETs to reduce the bill of material by up to seven components. The HTSSOP package is leveraged across the entire family, allowing pin- and footprint-compatibility, as well as scalability.

LM4360x and LM4600x

All the converters in the LM4360x and LM4600x family are pin-to-pin compatible. PCB design can be easily scaled to different voltage and current levels. Source: TI

The regulators are fully supported in TI's WEBENCH online design tool, helping designers generate, optimise and simulate a wide VIN design, and then export that design to a CAD program.

The simple switcher synchronous regulators are now available in 1,000-unit quantities. The LM4360-0/1/2/3 regulators are priced at $1.50, $1.60, $1.75 and $1.85, respectively, while the LM4600-0/1/2 cost $1.65, $1.75 and $1.85. Automotive grade versions of the LM43602 and LM43603 will be available in early 2015.

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