KTD267 2MHz, 1.5A Flash LED Driver

2MHz, 1.5A Flash LED Driver

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Features

  • 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

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