KTD2026 3-Channel RGB LED Driver with I2C Control

3-Channel RGB LED Driver with I2C Control

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  • Ultra low dropout regulated current sinks
    • 3-Channels: KTD2026
    • 4-Channels: KTD2027
  • 40mV typical at 10mA per channel
  • Programmable LED setting using I2C control
  • Individual channel control
    • On/Off Interval Time Control
    • Dimming Up/Down Time
    • Current Level Setting
    • RGB or RGBW LED Color Control
  • 192 current levels: 24mA max, 0.125mA step
  • ±5% current matching for max current
  • Low supply current of 200μA typ.
  • No noise, non-pulsating LED current
  • Fast, smooth start-up
  • VIN Range: 2.7V to 5.5V
  • 0.1μA Shutdown Current
  • Pb-free Package: UTDFN-8 1.5×1.5mm
  • -40°C to +85°C Temperature Range


  • RGB indicator LEDs
  • Flashing LEDs
  • Mobile Phones
  • Handheld Devices
  • Digital Cameras

Key Electrical Specifications

Vin(Min) Vin(Max) Number of LEDs/Channel LED Channels Brightness Control Max. Current per Channel Accuracy Dropout Package
2.7V 5.5V 1 3 I2C 24mA ±5% 40mV UTDFN-8 1.5×1.5mm

Typical Application Diagram


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