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KTD2511D

Step-Up LED Driver with PWM Control

Features Download Datasheet PDF

        • Up to 3 or 5 series LEDs

        • Integrated 20V high current switch (1.2A limit)

        • High efficiency PWM converter (up to 90%)

        • Low 200mV feedback voltage

        • High accuracy across full load range

        • VIN range 2.7V to 5.5V

        • LED open-circuit (OVP) protection

          • KTD2511C: 19V
          • KTD2511D: 14V
        • High switching frequency: 1MHz

        • PWM dimming frequency: 100Hz to 200kHz

        • Simple, small solution size

        • Integrated Soft-start

        • Shutdown Current less than 1µA

        • Small TSOT23-6 and TDFN22-8 Package

        • RoHS and Green compliant

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

Applications

  • LED backlighting

  • Mobile Phones

  • Handheld Devices

  • Digital Photo Frames

  • Automotive Navigation

Key Electrical Specifications

Vin(Min) Vin(Max) Maximum # of LED  Channel  Channels Control Type Package
2.7V 5.5V 3 Dimming via PWM control  TSOT23-6 

Typical Application Diagram

KTD2511D

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