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MAX25560 - 6 x 220mA LED Backlight Driver

General Description

The MAX25560 is a six-channel LED backlight driver with an integrated current-mode boost controller that operates over a switching frequency range of 400kHz to 2.2MHz and incorporates spread spectrum.

Selectable phase-shifting of the output channels is included to reduce EMI.

Key Features

  • Operates down to 3V on Battery Input while Maintaining 5V Gate Drive.
  • Wide Boost Duty-Cycle Range.
  • Boost or SEPIC Current-Mode DC-DC Controller.
  • 400kHz to 2.2MHz Operating Frequency Range.
  • Optional Spread Spectrum.
  • Can Be Synchronized to an External Clock.
  • LED Current Sinks.
  • Up to 220mA Output Current per String.
  • Low OUT_ Regulation Voltage.
  • Optional Phase-Shifting Between Channels.
  • 16667:1 Dimmin.

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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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6 x 220mA LED Backlight Driver with Boost Controller MAX25560 General Description The MAX25560 is a six-channel LED backlight driver with an integrated current-mode boost controller that operates over a switching frequency range of 400kHz to 2.2MHz and incorporates spread spectrum. Selectable phase-shifting of the output channels is included to reduce EMI. The MAX25560 provides up to 220mA per channel. The device is capable of operating down to very low battery voltages by virtue of a unique input voltage switching scheme. Extensive diagnostics and an I2C interface are included in the device. The MAX25560 is available in a compact TQFN package and operates over the -40°C to +125°C temperature range.