ADM8840 Datasheet - Analog Devices

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

PRELIMINARY TECHNICAL DATA a Charge Pump Regulator & COM Driver for Color TFT Panel ADM8840 Preliminary Technical Data FUNCTIONAL BLOCK DIAGRAM -15V.
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.

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ADM8840_AnalogDevices.pdf

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Datasheet Details

Part number:

ADM8840

Manufacturer:

Analog Devices ↗

File Size:

166.07 KB

Description:

Charge Pump Regulator & COM Driver for Color TFT Panel

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 (

Applications

* Handheld Instruments TFT LCD Panels Cellular Phones VOLTAGE INVERTER C4+ C4 0.22 ␮F C9 0.22 ␮ F C4- ADM8840 TRIPLE VOLTAGE TRIPLER DOUBLE +15V C2+ C2 0.22 ␮F C8 0.22 ␮ F C2C3+ C3 0.22 ␮ F C3- OSCILLATOR TIMING GENERATOR 5VIN +5V 5VOUT SHDN C7 2.2 ␮ F SHUTDOWN CONTROL DISCHARGE L

ADM8840 Distributors

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ADM8840 Charge Pump Regulator COM Driver for Color TFT Panel Analog Devices

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