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MIC4834 - Low Noise Dual 220 VPP EL Driver

Description

The MIC4834 is a low noise dual Electroluminescent (EL) Panel driver used in backlighting applications.

The MIC4834 converts a low DC voltage to a high DC voltage using a boost converter and then alternates the high DC voltage across the EL panels using an H-bridge.

Features

  • an operating input voltage range of 2.3V to 5.8V, making it suitable for 1-cell Li-ion and 2- or 3-cell alkaline/NiCad/NiMH battery.

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Datasheet preview – MIC4834

Datasheet Details

Part number MIC4834
Manufacturer Micrel Semiconductor
File Size 825.63 KB
Description Low Noise Dual 220 VPP EL Driver
Datasheet download datasheet MIC4834 Datasheet
Additional preview pages of the MIC4834 datasheet.

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Full PDF Text Transcription

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MIC4834 Low Noise Dual 220 VPP EL Driver General Description The MIC4834 is a low noise dual Electroluminescent (EL) Panel driver used in backlighting applications. The MIC4834 converts a low DC voltage to a high DC voltage using a boost converter and then alternates the high DC voltage across the EL panels using an H-bridge. The MIC4834 incorporates internal wave-shaping circuitry specifically designed to reduce audible noise emitted by EL panels. With only one inductor the MIC4834 can drive two outputs and requires a minimum number of passive components. It features an operating input voltage range of 2.3V to 5.8V, making it suitable for 1-cell Li-ion and 2- or 3-cell alkaline/NiCad/NiMH battery applications. The MIC4834 features separate oscillators for the boost and H-bridge stages.
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