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2MHz, 2-Ch 1.5A+1.5A Flash LED Driver

        • High efficiency synchronous boost converter with 2MHz/4MHz switching frequency option

        • I2C interface programming and hardware STROBE/TORCH control

        • Two-channel independent current sources

          • LED1/LED2: Up to 1.5A
          • Flash/Torch/IR modes
          • Independent LED on/off and current settings
          • Programmable ramp shape and time control
          • Three input low voltage protection modes
          • Torch currents up to 187.5mA (KTD2688) or 375mA (KTD2688A)
          • Flash time-out protection up to 1.60s(KTD2688A)
          • LED cathode ground connection for improved thermal dissipation
        • LED open/short protection

        • I2C fault read back


  • Smartphones and Tablets Camera Flash

  • Digital Cameras

Key Electrical Specifications

Vin(Min) Vin(Max) Max. Current per Channel Channels Control Type Package
2.7V 5.5V 1500/1000/500mA 3 I2C  WLCSP-12

Typical Application Diagram