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EUP2619 - TFT LCD DC-DC Converter

Description

The EUP2619 generates power supply rails for thin-film transistor (TFT) liquid-crystal display (LCD) panels in tablet PCs and notebooks operated from 2.5V to 5.5V input supply.

The device integrates a step-up converter, positive and negative charge pumps, and a high speed VCOM buffer.

Features

  • an internal power MOSFET and high frequency operation allowing to use small inductors and capacitors. The step up converter uses fixed-frequency peak current mode control architecture which provides fast load-transient response and easy compensation. A 2.8A peak current limit for the internal switch protects power supply fault condition. The regulated positive and negative charge pump regulators generate the positive and negative supply rails for the TFT LCD gate resistive voltage-divider ICs. T.

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Datasheet preview – EUP2619

Datasheet Details

Part number EUP2619
Manufacturer Eutech Microelectronics
File Size 715.74 KB
Description TFT LCD DC-DC Converter
Datasheet download datasheet EUP2619 Datasheet
Additional preview pages of the EUP2619 datasheet.

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Full PDF Text Transcription

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Preliminary EUP2619 TFT LCD DC-DC Converter with Integrated Charge Pumps and OP-AMP DESCRIPTION The EUP2619 generates power supply rails for thin-film transistor (TFT) liquid-crystal display (LCD) panels in tablet PCs and notebooks operated from 2.5V to 5.5V input supply. The device integrates a step-up converter, positive and negative charge pumps, and a high speed VCOM buffer. The external compensated step-up converter, providing the regulated supply voltage for the panel source driver ICs, features an internal power MOSFET and high frequency operation allowing to use small inductors and capacitors. The step up converter uses fixed-frequency peak current mode control architecture which provides fast load-transient response and easy compensation. A 2.
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