Analog Devices Inc.

60V Synchronous 4-Switch Buck-Boost LED Controller with Spread Spectrum Features: 4-Switch Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT Synchronous Switching: Up to 98% Efficiency Proprietary Peak-Buck Peak-Boost Current Mode Wide VIN Range: 4V to 60V Wide VOUT Range: 0V to 60V (51V LED) ±3% LED Current Accuracy 2000:1 External and 128:1 Internal PWM Dimming High Side PMOS PWM Switch Driver Integrated Bootstrap Diodes No Top MOSFET Refresh Noise in Buck or Boost Adjustable and Synchronizable: 150kHz to 650kHz Flicker-Free Spread Spectrum for Low EMI Open and Short LED Protection with Fault Reporting Available in 28-Lead TSSOP with Exposed Pad and 28-Lead QFN (4mm × 5mm) AEC-Q100 Qualified for Automotive Applications

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