ADM8840 - Charge Pump Regulator & COM Driver for Color TFT Panel

Analog Devices

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Datasheet Details

Part number: ADM8840
Manufacturer: Analog Devices ↗
File Size: 166.07 KB
Datasheet: ADM8840_AnalogDevices.pdf
Description: Charge Pump Regulator & COM Driver for Color TFT Panel

ADM8840 Product details

Description

ADD_OUT The ADM8840 combines a charge pump regulator and a Common Line (COM) driver in a single chip solution for use in TFT LCD’s.The device provides an LCD controller and grayscale DAC supply voltage of 5.0V (±2%), 2 gate drive voltages of +15V and -15V and a COM driver voltage.This COM Driver voltage alternates the polarity of the Common line voltage every line (or every frame) on the display in order to prevent screen-burn occuring over time.The ADM8840 is powered by a single 3.0V suppl.

Features

Programmable COM Driver to prevent Screen-Burn 3 Voltages (5.0V,15.0V,-15.0V) from one 3V Supply Power Efficiency optimised for use with TFT in mobile phones Low Quiescent Current Low Shutdown Current (.

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Charge Pump Regulator COM Driver for Color TFT Panel Analog Devices

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