1. Skip to navigation
  2. Skip to content
  3. Skip to sidebar

LT8391 98% Efficient 100W (33.3V 3A) Buck-Boost LED Driver

98% Efficient 100W (33.3V 3A) Buck-Boost LED Driver

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.