Product Releases

Step-down DC/DC converter includes 60V transient protection

Tue, 04/01/2014 - 2:04pm


Linear Technology Corporation (Milpitas, CA) announces the LT3667, a 400mA, 40V step-down switching regulator with dual LDO outputs packaged in a 3mm x 5mm QFN or MSOP-16E. The LT3667 offers a highly compact, triple output solution for automotive and industrial applications. The LT3667 operates from a VIN range of 4.3V to 40V with transient protection to 60V, making it ideal for load-dump and cold-crank conditions found in automotive applications. Other features include:

  • A 600mA internal switch which delivers up to 400mA.
  • A primary switching channel, delivering outputs as low as 1.2V.
  • LDOs that can deliver outputs as low as 0.8V.
  • An accurate programmable current limit up to 200mA.


For more information on the LT3667, visit


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