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ISL97801 - High Power LED Driver

General Description

CONDITIONS MIN TYP VIN Input Supply Voltage IOUT = 350mA, 8 LEDs, BUCK/BOOSTN = 5 GND

Key Features

  • Drives 3-8 high-power LEDs in series, up to 32V.
  • 2.7V to 16V input voltage range.
  • Boost or Buck configurable switch.
  • 3A integrated FET.
  • Automotive load dump protection.
  • Light output temperature compensation.
  • LED over-temperature protection.
  • LED disconnect.
  • PWM/analog light level control.
  • Small, 20 Ld 4mm x 4mm QFN package.
  • Pb-free plus anneal available (RoHS compliant).

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Datasheet Details

Part number ISL97801
Manufacturer Renesas
File Size 886.98 KB
Description High Power LED Driver
Datasheet download datasheet ISL97801 Datasheet

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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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ISL97801 High Power LED Driver NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEMENT PART ISL97634 DATASHEET FN6428 Rev 1.00 April 2, 2007 The ISL97801 is a high-power LED backlight driver with an integrated 36V FET designed to drive up to 8 high-power LEDs in series. The PWM converter runs from an internally generated 1MHz clock. With efficiencies over 90% the regulator provides tight control of LED current and may be configured in either boost or buck topologies, allowing from 3 to 8 series diodes to be driven from wide input voltages. LED light level may be controlled either by: 1. LED DC bias current set via the LEVEL pin, or 2. External low frequency PWM control via the ENABLE/PWM pin.