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EUP2644 - TFT LCD DC-DC Converter

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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

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.

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

Overview

Preliminary EUP2644 TFT LCD DC-DC Converter with Integrated LDO, OP-AMP and GPM.

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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