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LP6284 - Multi-Channel DC-DC Converter

Description

The LP6284 includes a high-performance boost regulator, a low dropout linear regulator (LDO), a gate pulse modulator (GPM), a voltage detector, a VCOM buffer (unity-gain OPA), and a VGH charge pump controller for active matrix TFT LCDs.

Features

  • high short-circuit current, fast slew rate and rail-to-rail inputs and outputs. The VGH charge pump controller provides regulated TFT Gate-On voltage. The regu.

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Datasheet Details

Part number LP6284
Manufacturer Lowpowersemi
File Size 535.23 KB
Description Multi-Channel DC-DC Converter
Datasheet download datasheet LP6284 Datasheet
Additional preview pages of the LP6284 datasheet.

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Full PDF Text Transcription

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Preliminary Datasheet Multi-Channel DC-DC Converter LP6284 General Description The LP6284 includes a high-performance boost regulator, a low dropout linear regulator (LDO), a gate pulse modulator (GPM), a voltage detector, a VCOM buffer (unity-gain OPA), and a VGH charge pump controller for active matrix TFT LCDs. The converter is a high switching frequency (640kHz or 1.2MHz) current-mode regulator with an integrated 16V N-Channel 0.2Ω MOSFET that allows the use of ultra-small inductors and ceramic capacitors. It provides fast transient response to pulsed loading while achieving efficiency over 90%. The low-dropout (LDO) linear regulator can supply up to 350mA current while input voltage is 3.3V. It is suitable for the supply voltage of the timing controller.
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