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LT8391HUFD - 60V Synchronous 4-Switch Buck-Boost LED Controller with Spread Spectrum

Product Description

LT8391HUFD is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% triangle spread spectrum operation for low EMI.

Product 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

Applications

Automotive Head Lamps/Running Lamps

High Power LED Lighting

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.