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How to Modify the Soft-Start Profile of the DS3994

Authored on: Jan 7, 2008

Technical Paper / Application Note

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This application note describes the Soft-Start Profile (SSP) used on the DS3994, a 4-channel cold-cathode fluorescent lamp (CCFL) controller, to gradually ramp up the MOSFET duty cycles at the beginning of each lamp burst. The article explains how to customize the device's default SSP values to accommodate the ramping time required in an application.

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