LT3922

Features nn ±2% LED Current Regulation nn ±2% Output Voltage Regulation nn 5000:1 PWM Dimming at 100Hz nn 128:1 Internal PWM Dimming nn Spread-Spectrum Frequency Modulation nn Silent Switcher® Architecture for Low EMI nn Operates in Boost, Buck Mode and Buck-Boost Mode nn 2.8V to 36V Input Voltage Range nn Up to 34V LED String Voltage nn 2A, 40V Internal Switches nn 200kHz to 2MHz with SYNC Function nn Analog or Duty Cycle LED Current Control nn Open/Short LED Protection and Fault Indication nn Thermally Enhanced 28-Pin (4mm × 5mm) QFN Applications nn Automotive and Industrial Lighting nn Machine Vision L, LT, LTC, LTM, Linear Technology, the Linear logo and Silent Switcher are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 7199560, 7321203, and other patents pending. LT3922 36V, 2A Synchronous Step-Up LED Driver Description The LT®3922 is a monolithic, synchronous, ste...