Home >  Products >  LED Backlight Driver ICs >  KTD2801


Step-Up LED Driver with Internal Diode and ExpressWire/PWM Dimming

        • Wide VIN input range: 2.7V to 5.5V

        • Wide output range: up to 10 series LEDs

        • Integrated 40V high current switch (0.52A limit)

        • High efficiency boost converter (up to 85%)

        • Highly integrated solution

          • Integrated diode
          • Internal compensation and soft start
        • ExpressWire interface dual method dimming with single pin (CTRL)

          • 256-step Serial dimming control
          • High resolution PWM dimming
        • High accuracy across full load range

        • LED open-circuit (OVP) protection

          • KTD2801 : 36V
          • KTD2801A : 30V
          • KTD2801B : 24V
        • Low 200mV feedback voltage

        • 1MHz High switching frequency

        • Simple, small solution size

        • < 1 µA shutdown current

        • Small TDFN22-6 and Thin SOT23 package

        • RoHS and Green compliant

        • -40°C to +85°C Temperature Range


  • LED backlighting

  • Mobile Phones, Handheld Devices

  • Digital Photo Frames, Automotive Navigation

Key Electrical Specifications

Vin(Min) Vin(Max) Max. Current per Channel Channels Control Type Package
2.7V 5.5V 20mA 1 ExpressWire or PWM TSOT23-6

Typical Application Diagram