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MC33463 - VARIABLE FREQUENCY MICROPOWER DC-to-DC CONVERTER

Key Features

  • a highly accurate voltage reference, an oscillator, a variable frequency modulation (VFM) controller, a driver transistor (Lx), a comparator and feedback resistive divider. The MC33463H.
  • XXLT1 is identical to the MC33463H.
  • XXKT1, except that a drive pin (EXT) for an external transistor is provided. Due to the low bias current specifications, these devices are ideally suited for battery powered computer, consumer, and industrial equipment where an extension of useful battery life is.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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( DataSheet : www.DataSheet4U.com ) Order this document by MC33463/D MC33463 Variable Frequency Micropower DC-to-DC Converter The MC33463 series are micropower step–up switching voltage regulators, specifically designed for handheld and laptop applications, to provide regulated output voltages using a minimum of external parts. A wide choice of output voltages are available. These devices feature a very low quiescent bias current of 4.0 µA typical. The MC33463H–XXKT1 series features a highly accurate voltage reference, an oscillator, a variable frequency modulation (VFM) controller, a driver transistor (Lx), a comparator and feedback resistive divider. The MC33463H–XXLT1 is identical to the MC33463H–XXKT1, except that a drive pin (EXT) for an external transistor is provided.