Regulators make VIN power supply design easier

16 September 2014

Seven Simple Switcher regulators from Texas Instruments can be used to simplify wide VIN synchronous power supply design.

The LM43600/1/2/3 and LM46000/1/2 feature an input voltage range of up to 60V for high reliability in rugged systems, and 27µA of standby current that minimises power consumption at light load. The synchronous power stage architecture reduces radiated emissions for EMC compliance in a variety of industrial, automotive and communications applications, says the company.

The LM43600, LM43601, LM43602 and LM43603 synchronous regulators support an input voltage range from 3.5 to 36V and generate output currents of up to 0.5, 1, 2 and 3A, respectively.  The LM46000, LM46001 and LM46002 support an input of 3.5 to 60V and output currents of up to 0.5, 1 and 2A. The converters integrate compensation, control features and MOSFETS to reduce the bill of material by up to seven components.

The regulators are supported in  WEBENCH online design tool to generate, optimise and simulate a wide VIN design, for export to a CAD program.

Automotive grade versions of the LM43602 and LM43603 will be available in early 2015.

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