Step-Down (Buck) LED Drivers
Analog Devices step-down (buck) LED drivers are ideal for applications where the input voltage is above the LED voltage, as in many automotive or industrial applications. These LED drivers offer the highest efficiency, lowest noise, and the smallest footprints. Other features include integrated Schottky diodes, accurate LED current matching, and multiple output capability.
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Design Notes
- DN570 - 36V, 2A LED Driver with 5000:1 PWM Dimming Meets CISPR 25 Class 5 EMI Limits with Silent Switcher Architecture PDF
- DN557 - Low EMI LED Driver Features 2A, 40V, Integrated, Synchronous Switches for Automotive Lightin PDF
- DN556 - 3A, 1MHz Buck Mode LED Driver with Integrated Voltage Limiting PDF
- DN1038 - 42V High Power Density Buck Regulators in a Tiny QFN Package PDF
- DN376 - Monolithic Converter Drives High Power LEDs PDF
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LT Journal
- Combined Voltage and Current Control Loops Simplify LED Drivers, High Capacity Battery/Supercap Chargers & MPPT* Solar Applications PDF
- September 2009 - uModule LED Driver Integrates All Circuitry, Including the Inductor, in a Surface Mount Package PDF
- December 2009 - High Current/High Speed LED Driver Revolutionizes PWM Dimming PDF
Technical Articles Page
- 36V, 2A LED Driver with 5000:1 PWM Dimming Meets CISPR 25 Class 5 EMI Limits with Silent Switcher Architecture
- High Efficiency Solar MPPT Battery Charger Using LT8611 and AD5245
- Low EMI LED Driver Features 2A, 40V, Integrated, Synchronous Switches for Automotive Lighting
- 3A, 1MHz Buck Mode LED Driver with Integrated Voltage Limiting
- 95% Efficient at 2MHz 42V Synchronous Buck