MAX25560

RECOMMENDED FOR NEW DESIGNS

6 x 220mA LED Backlight Driver with Boost Controller

Data Sheet (Rev. 2) Product Selection Table
Part Models
2
1ku List Price
Starting From $2.50
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Part Details

  • Operates down to 3V on Battery Input whileMaintaining 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 Dimming Ratio at 200Hz
  • External or Internal (I2C) Dimming
  • >16667:1 Dimming Ratio with Hybrid Dimming
  • Integrated Charge Pump to Drive Series nMOSFET
  • Temperature Foldback Using External NTCTemperature Sensor
  • Fast Startup Option without I2C Intervention UsingEN Pin Only
  • FLTB Output Provides Diagnostic Information
    • Shorted or Open LEDs
    • Any OUT_ Pin Shorted to GND
    • IREF/RT Resistor out of Range
    • Thermal Warning/Shutdown
    • Undervoltage/Overvoltage on Boost Output
    • V18 Internal Supply out-of-Range
    • Input Overcurrent (Measured at Boost InputUsing External Sense Resistor)
  • I2C Interface
  • Compact TQFN Package
MAX25560
6 x 220mA LED Backlight Driver with Boost Controller
MAX25560 simplified Block Diagram MAX25560 Pin Configuration
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Documentation

Data Sheet 1

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