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NCP3063 Design Spreadsheet Calculator Excel

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Download: NCP3063 Design Calculators

The NCP3063 Series is a higher frequency upgrade to the popular MC34063A and MC33063A monolithic DC−DC converters. These devices consist of an internal temperature compensated reference, comparator, a controlled duty cycle oscillator with an active current limit circuit, a driver and a high current output switch. This series was specifically designed to be incorporated in Step−Down, Step−Up and Voltage−Inverting applications with a minimum number of external components.


  • Operation to 40 V Input
  • Low Standby Current
  • Output Switch Current to 1.5 A
  • Output Voltage Adjustable
  • Frequency Operation of 150 kHz
  • Precision 1.5% Reference
  • New Features: Internal Thermal Shutdown with Hysteresis New Features: Cycle−by−Cycle Current Limiting
  • Pb−Free Packages are Available Applications
  • Step−Down, Step−Up and Inverting supply applications
  • High Power LED Lighting • Battery Chargers
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