DC/DC Converter Replaces 78xx Linear Regulator

Murata’s OKI-78SR-E series three-terminal, non-isolated dc/dc converters are reliable for use in harsh environment applications. They are offered as cost effective, highly efficient alternatives to a T0-220/78xx series linear regulator and viable for almost any application where a single output of 3.3V, 5V or 12V is required.

 

Efficiency of the 12V OKI-78SR-12/1.0-W36E-C device when powered from a 24 V source is greater than 95%, eliminating the need for a heat sink, reducing cost, and complexity during the manufacturing process. Other features include:

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  • The 3.3 and 5 V models operate from an input range of 7 V to 36 V and the 12 V model in the range of 15 V to 36 V
  • Three modules with a fixed single output voltage of 3.3 V and 5 V at 1.5 A and 12 V at 1 A
  • Encapsulated in a 0.47 x 0.69 inch (11.9 x 17.6 mm) vertical or horizontal package using a linear regulator compatible pin out
  • Rated to operate from - 40° C to + 85° C
  • Short circuit and over current protection
  • State of the art performance for thermal management
  • Dynamic load response
  • RoHS-6 compliant and UL approved

For more detailed features and specs, a datasheet is available. For more info and pricing, contact Murata.

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