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KTD267

2MHz, 1.5A Flash LED Driver

        • Input voltage range: 2.7V to 5.5V

        • Dual Flash LED outputs

        • Drive up to total 1.5A or 0.75A per channel

        • High efficiency converter (up to 95%)

        • 2MHz step-up converter

        • Very small inductor: 1.0µH

        • Very small load capacitor: 4.7µF to 10µF

        • Independent flash-mode enable and movie/torch-mode enable pins

        • Movie/torch-mode dimming via PWM control 

        • One resistor sets flash-mode LED current

        • One resistor sets movie/torch-mode LED current

        • Integrated thermal regulation control

        • LED open/short protection

        • Over-voltage protection

        • Cycle-by-cycle inductor current limit

        • 0.1µA shutdown current

        • Pb-free Package: TDFN2x3-14

        • −40˚C to +85˚C Temperature Range

Applications

  • Mobile Phones

  • Smart Phones and PDAs

  • Digital Still Cameras

Key Electrical Specifications

Vin(Min) Vin(Max) Channels Output Current Per Channel (Max) Control  Package
2.7V 5.5V 2 750mA  PWM TDFN23-14

Typical Application Diagram

KTD267