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LT8391A

Part Number	LT8391A
Manufacturer	Analog Devices
Description	60V 2MHz Synchronous 4-Switch Buck-Boost LED Driver Controller
Published	May 22, 2019
Detailed Description	FEATURES nn 4-Switch Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT nn Up to 95% Efficiency at 2M...
Datasheet	LT8391A PDF File

Overview

FEATURES nn 4-Switch Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT nn Up to 95% Efficiency at 2MHz nn Proprietary Peak-Buck Peak-Boost Current Mode nn Wide VIN Range: 4V to 60V nn Wide VOUT Range: 0V to 60V (51V LED) nn ±3% LED Current Accuracy nn 2000:1 External and 128:1 Internal PWM Dimming nn High Side PMOS PWM Switch Driver nn No Top MOSFET Refresh Noise in Buck or Boost nn Adjustable and Synchronizable: 600kHz to 2MHz nn Flicker-Free Spread Spectrum for Low EMI nn Open and Short LED Protection with Fault Reporting nn Available in 28-Lead TSSOP with Exposed Pad and 28-Lead QFN (4mm × 5mm) APPLICATIONS nn Automotive Head Lamps/Running Lamps nn High Frequency LED L...

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