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Solutions Lighting Solutions Offline LED Lighting
Solutions Monitor, Control and Protection PowerPath Controllers & Ideal Diodes
Solutions Monitor, Control and Protection Ideal Diode Bridge
Solutions Power Management LED Driver ICs Buck-Boost LED Drivers
Solutions Space & Harsh Environment Extended Temperature Plastic (H & MP) Extended Temperature (H & MP) Power Management

LT8391 93% Efficient 84W Buck-Boost LED Driver from 24VAC

93% Efficient 84W Buck-Boost LED Driver from 24VAC

The LT®8391 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. With 4V to 60V input, 0V to 60V output, and seamless low noise transitions between operation regions, the LT8391 is ideal for LED driver and battery charger applications in automotive, industrial, and battery-powered systems.

 

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Meet Green Standards in 24VAC and 12VAC Lighting Systems: Replace Halogen Bulbs with LEDs Driven by High Power Factor, High Efficiency Converter

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