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KTD325

High Efficiency, Wide Voltage Range 30-LED RGB Driver

Features Download Datasheet PDF

        • Wide input range: 2.7V~22V

        • Drive up to 30 LEDs

        • High efficiency LED driver

        • High frequency step-up converter (800kHz)

        • Highly integrated solution

          • Integrated 40V Power MOSFET
          • Internal compensation and soft start
        • 3 Independent integrated current sinks

          • High accuracy regulation up to 20mA
          • 1.5% Typ. current matching
        • 3 independent PWM control inputs

        • PWM dimming with <1µs rise/fall time

        • Low operating quiescent current (500µA)

        • LED open/short protection

        • Both internal fixed and external adjustable Over-voltage protection

        • Cycle-by-cycle inductor current limit (2.5A)

        • 0.1 µA shutdown current

        • Pb-free Package: TQFN33-16

        • -40 to +85˚C Temperature Range

Applications

  • Smartphone

  • PDA

  • GPS

  • Portable media players

  • Other 1-cell Li Ion LED applications

Key Electrical Specifications

Vin(Min) Vin(Max) Max. Current per Channel Channels Control Type Package
2.7V 5.5V 20mA 3 PWM  TQFN33-16

Typical Application Diagram

KTD325

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