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KTD112

Linear-mode 300mA Flash LED Driver

        • No noise, non pulsating LED current

        • High efficiency LED driver: 1x battery current

        • 5 Channels drive up to 60mA each

        • Ultra low dropout current sink

          • VIN operates down to VF+120mV @60mA
          • High efficiency, Low supply current in all conditions: 260µA typical
        • Easy 32-level current setting via one pin serial bus control

        • ±1.5% typ / ±7% max current accuracy

        • Fast, smooth start up

        • No inrush current; no overshoot

        • VIN Range: 2.7 to 5.5V

        • 0.1 µA Shutdown Current

        • No external components required

        • Automatic Soft-Start

        • Pb-free Package: TDFN22-8

        • RoHS compliant

        • -40 to +85 ˚C Temperature Range

Applications

  • Digital Photo Frames

  • White LED backlighting

  • White LED Photo Flash

  • RGB LEDs and other LED lighting

  • Constant current outputs

Key Electrical Specifications

Vin(Min) Vin(Max) Channels Output Current Per Channel (Max) Control Type  Package
2.7V 5.5V 5 60mA  Digital TDFN22-8

Typical Application Diagram

KTD112