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ISL97650B - 4-Channel Integrated LCD Supply

Features

  • 4.2V to 14V Input Supply.
  • AVDD Boost up to 20V, With Integrated 3.2A FET.
  • Integrated VON Charge Pump, Up to 35VOUT.
  • 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 6x6 Thin QFN Package.
  • Pb-Free (RoHS compliant).

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Datasheet Details

Part number ISL97650B
Manufacturer Renesas
File Size 617.13 KB
Description 4-Channel Integrated LCD Supply
Datasheet download datasheet ISL97650B Datasheet

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Full PDF Text Transcription

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ISL97650B 4-Channel Integrated LCD Supply RECOMMOEBNSDOELIDSELRT9EE86PP0LR2AOCDEUMCETNT PART DATASHEET FN6748 Rev 1.00 March 22, 2010 The ISL97650B represents a high power, integrated LCD supply IC targeted at large panel LCD displays. The ISL97650B integrates a high power, 3.2A 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 ISL97650B has 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. Peak efficiencies are >90% for both the boost and buck while operating from a 4.
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