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MC34063A Datasheet 1.5-a Peak Boost/buck/inverting Switching Regulators

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community MC33063A, MC34063A SLLS636N – DECEMBER 2004 – REVISED JANUARY 2015 MC3x063A 1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The MC33063A and MC34063A devices are easy-touse ICs containing all the primary circuitry needed for building simple DC-DC converters.

These devices primarily consist of an internal temperaturecompensated reference, a comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch.

Thus, the devices require minimal external components to build converters in the boost, buck, and inverting topologies.

Key Features

  • 1 Wide Input Voltage Range: 3 V to 40 V.
  • High Output Switch Current: Up to 1.5 A.
  • Adjustable Output Voltage.
  • Oscillator Frequency Up to 100 kHz.
  • Precision Internal Reference: 2%.
  • Short-Circuit Current Limiting.
  • Low Standby Current 2.

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