ISL97651 - 4-Channel Integrated LCD Supply

Renesas

Key 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).

ISL97651 4-channel integrated lcd supply by Renesas - Datasheet Preview

Datasheet Details

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

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Full PDF Text Transcription (Reference)

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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.