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MAX1698A - High-Efficiency Step-Up Current Regulator

General Description

The MAX1698 and MAX1698A are efficient drivers for white or color LEDs.

They are ideal for large LED backlit displays in PDAs and laptop computers.

Key Features

  • MAX1698/MAX1698A Ordering Information PART MAX1698EUB MAX1698AEUB TEMP RANGE.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com 19-1621; Rev 2; 2/07 High-Efficiency Step-Up Current Regulator for LEDs General Description The MAX1698 and MAX1698A are efficient drivers for white or color LEDs. They are ideal for large LED backlit displays in PDAs and laptop computers. Numerous benefits include greater simplicity, lower cost, higher efficiency, longer bulb life, and greater reliability when compared to fluorescent (CCFL) and electroluminescent (EL) lamps. The MAX1698/MAX1698A are switch-mode boost controllers in which LED current, rather than output voltage, is regulated The devices drive series-connected LEDs with a controlled current that is measured with a typically 15Ω sense resistor, not an expensive fractional-ohm value.