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Demonstration Board, LED Driver, LCD Panels Backlight, Boost Regulator, PWM Dimming, 1 Output


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Technical Datasheet:
STEVAL-ILL020V1   Datasheet
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Product Overview

STEVAL-ILL020V1 demonstration board is based on the LED7706 and implements a high efficiency monolithic boost converter and six controlled current generators (rows) specifically designed to supply LEDs arrays used in the backlight of LCD panels. The device can manage an output voltage up to 36V(i.e. ten white LEDs per row). The generators can be externally programmed to sink up to 30mA and can be dimmed via a PWM signal. The device allows to detect and manage the open and shorted LED faults and to let unused rows floating. Basic protections like output overvoltage, internal MOSFET overcurrent and thermal shutdown are provided.
  • 200KHz to 1MHz adjustable switching frequency
  • Internal power MOSFET, 5V LDO for device supply
  • Constant frequency peak current mode control
  • External sync for multi device application
  • Pulse skip power saving mode at light load
  • Programmable softstart, OVP protection
  • Non latched thermal shutdown
  • Six rows with 30mA maximum current capability
  • LED failure (open and short circuit) detection
  • Less than 500ns minimum dimming time


LED Lighting


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Demo Board LED7706

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Technical Documents (2)

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