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ISL97631 - White LED Boost Regulator

Features

  • efficiencies up to 85%. It operates at 1.35MHz switching frequency and operates from an input voltage of between 2.7V and 5.5V. The maximum output voltage of 27V enables the ISL97631 to drive up to 6 LEDs in series. It is also possible to use the ISL97631 to drive LEDs in series/parallel combination for.

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Datasheet Details

Part number ISL97631
Manufacturer Renesas
File Size 335.52 KB
Description White LED Boost Regulator
Datasheet download datasheet ISL97631 Datasheet

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Full PDF Text Transcription

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ISL97631 NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEMENT PART ISL97634 White LED Boost Regulator With Integrated Schottky Diode DATASHEET FN7370 Rev 1.00 December 21, 2005 The ISL97631 represents a high efficiency, constant frequency PWM regulator with integrated boost diode and FET. Designed for use in white LED driving applications, the ISL97631 features efficiencies up to 85%. It operates at 1.35MHz switching frequency and operates from an input voltage of between 2.7V and 5.5V. The maximum output voltage of 27V enables the ISL97631 to drive up to 6 LEDs in series. It is also possible to use the ISL97631 to drive LEDs in series/parallel combination for applications requiring up to 15 LEDs.
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