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
- Design Note 1038: 42V High Power Density Buck Regulators in a Tiny QFN Package
- Design Note 449: Triple LED Driver in 4mm × 5mm QFN Supports LCD Backlights in Buck, Boost or Buck-Boost Modes and Delivers 3000:1 PWM Dimming Ratio
- DN570 - 36V, 2A LED Driver with 5000:1 PWM Dimming Meets CISPR 25 Class 5 EMI Limits with Silent Switcher Architecture PDF
- DN556 - 3A, 1MHz Buck Mode LED Driver with Integrated Voltage Limiting PDF
- DN376 - Monolithic Converter Drives High Power LEDs PDF
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Technical Articles
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Analog Dialogue
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- 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
- 3A, 1MHz Buck Mode LED Driver with Integrated Voltage Limiting