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MAX25560 - 6 x 220mA LED Backlight Driver

Datasheet Summary

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.

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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Datasheet preview – MAX25560

Datasheet Details

Part number MAX25560
Manufacturer Analog Devices
File Size 1.18 MB
Description 6 x 220mA LED Backlight Driver
Datasheet download datasheet MAX25560 Datasheet
Additional preview pages of the MAX25560 datasheet.

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Full PDF Text Transcription

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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.
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