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MC34063A DC to DC Converter IC DIP-8 Package

MC34063A DC to DC Converter IC DIP-8 Package

SKU SKU Code: # MM202

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The MC34063A Series is a monolithic control circuit that includes all of the essential functions for DC-to-DC converters. An internal temperature compensated reference, comparator, regulated duty cycle oscillator with an active current limit circuit, driver, and high current output switch are all included in these devices. This series was created with the goal of using as few external components as possible in StepDown, StepUp, and VoltageInverting applications.


  • Operation from 3.0 V to 40 V Input
  • Low Standby Current
  • Current Limiting
  • Output Switch Current to 1.5 A
  • Output Voltage Adjustable
  • Frequency Operation to 100 kHz
  • Precision 2% Reference
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
  • These Devices are Pb−Free, Halogen Free/BFR Free, and are RoHS Compliant  
  • Specification

    Power Supply 

    40V DC

    Input Voltage Range

    -0.3 to40V DC

    Switch Collector Voltage

    40V DC

    Switch Emitter Voltage

    40V DC

    No. of pins




    Switch Current


    Power Dissipation


    Operating Ambient Temperature Range

    0 to +70 °C

    Storage Temperature Range

    −65 to +150 °C


     9.4mm x 8.5mm x 3.4mm