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The LT8391AEFE is a synchronous 4-switch buck-boost LED controller that regulates LED current based on an input voltage that is above, below or equal to the output voltage. The proprietary peak buck/peak boost current mode control scheme supports adjustable and synchronisable 600kHz to 2MHz fixed frequency operation or internal 25% delta spread spectrum operation for reduced EMI.

Product Attributes

Product Category: LED Lighting Drivers  

Series: LT8391A  

Mounting Style: SMD/SMT  

Package / Case: TSSOP-28  

Number of outputs 1 output  

Output Current: 1.5 A  

Input Voltage (Min): 4 V  

Input Voltage (Max): 60 V  

Topology: Boost, Buck  

Operating frequency: 600 kHz to 2 MHz  

Output voltage: 60 V  

Minimum operating temperature: - 40 C  

Maximum operating temperature: + 125 C  

Features: PWM dimming, open LED protection   

Input voltage: 4 V to 60 V  

Number of Channels: 1 channel  

Factory Package Quantity: 50  

Supply Current - Max: 2.8 mA  

Unit weight: 2.191 g

Applications

Automotive headlights/driving lights

High frequency 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.

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• 6.Can the company issue an invoice?

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