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ISL97651 - 4-Channel Integrated LCD Supply

Features

  • 4V to 5.5V input supply.
  • AVDD boost up to 20V, with integrated 4.4A FET.
  • Integrated VON charge pump, up to 34VOUT.
  • VOFF charge pump driver, down to -18V.
  • VLOGIC buck down to 1.2V, with integrated 2A FET.
  • Automatic start-up sequencing - AVDD -> VOFF -> VON or AVDD/VOFF -> VON - Independent logic enable.
  • VON slicing.
  • Thermally enhanced thin QFN package (6mmx6mm).
  • Pb-free (RoHS compliant).

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Datasheet Details

Part number ISL97651
Manufacturer Renesas
File Size 540.62 KB
Description 4-Channel Integrated LCD Supply
Datasheet download datasheet ISL97651 Datasheet

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Full PDF Text Transcription

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ISL97651 4-Channel Integrated LCD Supply NROETCROEMCMOEMNMDEENIDSDLRE9ED8P6F0LO3ARCENMEWENDTEPSAIGRTNS DATASHEET FN7493 Rev 3.00 April 24, 2009 The ISL97651 represents a high power, integrated LCD supply IC targeted at large panel LCD displays. The ISL97651 integrates a high power, 4.4A boost converter for AVDD generation, an integrated VON charge pump, a VOFF charge pump driver, VON slicing circuitry and a buck regulator with 2A switch for logic generation. The ISL97651 have been designed for ease of layout and low BOM cost. Supply sequencing is integrated for both AVDD -> VOFF -> VON and AVDD/VOFF -> VON sequences. The TFT power sequence uses a separate enable to the logic buck regulator for maximum flexibility.
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