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EUP2644 - TFT LCD DC-DC Converter

General Description

The EUP2644 generates power supply rails for thin-film transistor (TFT) liquid-crystal display (LCD) panels in monitors and notebooks operation from 3V to 5.5V input supply.

Key Features

  • an internal power MOSFET and high frequency operation allowing the use of small inductors and capacitors. The step up converter uses fixed-frequency, current mode control architecture which provides fast load-transient response and easy compensation. A 2.9A peak current limit for the internal switch protects power supply fault condition. The GPM provides a modulated voltage to the gate driver circuitry of a TFT LCD display. It allows shaping of the gate high voltage to improve image quality. It.

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Datasheet Details

Part number EUP2644
Manufacturer Eutech Microelectronics
File Size 519.12 KB
Description TFT LCD DC-DC Converter
Datasheet download datasheet EUP2644 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary EUP2644 TFT LCD DC-DC Converter with Integrated LDO, OP-AMP and GPM Switch DESCRIPTION The EUP2644 generates power supply rails for thin-film transistor (TFT) liquid-crystal display (LCD) panels in monitors and notebooks operation from 3V to 5.5V input supply. The device integrates a step-up converter, a high speed VCOM buffer, a 400mA low dropout (LDO) linear regulator, and a Gate Pulse Modulator (GPM). The external compensated step up converter features an internal power MOSFET and high frequency operation allowing the use of small inductors and capacitors. The step up converter uses fixed-frequency, current mode control architecture which provides fast load-transient response and easy compensation. A 2.