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ISL8502A - 2A Synchronous Buck Regulator

Description

” beginning on page 13 for pin descriptions.

TEMP.

PKG.

” suffix for tap

Features

  • a bi-directional Enable pin that allows the part to pull the enable pin low during fault detection. PGOOD delay for ISL8502A has been decreased to 1ms typical (at 500kHz switching frequency) compared to 250ms (at 500kHz) for ISL8502. Features.
  • Up to 2A Continuous Output Current.
  • Integrated MOSFETs for Small Regulator Footprint.
  • Adjustable Switching Frequency, 500kHz to 1.2MHz.
  • Tight Output Voltage Regulation, 1% Over-temperature.
  • Wide Input Voltage.

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Full PDF Text Transcription

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DATASHEET ISL8502A 2A Synchronous Buck Regulator with Integrated MOSFETs FN7940 Rev 0.00 October 21, 2011 The ISL8502A is a synchronous buck controller with internal MOSFETs packaged in a small 4mmx4mm QFN package. The ISL8502A can support a continuous load of 2A and has a very wide input voltage range. With the switching MOSFETs integrated into the IC, the complete regulator footprint can be very small and provide a much more efficient solution than a linear regulator. The ISL8502A is capable of stand-alone operation or it can be used in a master slave combination for multiple outputs that are derived from the same input rail. Multiple slave channels (up to six) can be synchronized. This method minimizes the EMI and beat frequencies effect with multi-channel operation.
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