LT3932 Datasheet | Linear Technology

Features nn ±1.5% LED Current Regulation nn ±1.2% 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 3.6V to 36V Input Voltage Range nn 0V to 36V LED String Voltage nn 2A, 36V Internal Switches nn 200k Hz to 2MHz with SYNC Function nn 99.9% Maximum Duty Cycle nn Analog or Duty Cycle LED Current Control nn Open/Short LED Protection and Fault Indication nn Accurate LED Current Sense with Monitor Output nn Programmable UVLO nn Thermally Enhanced 28-Pin (4mm × 5mm) QFN APPLICATIONS nn Automotive Lighting nn Industrial and General Purpose Lighting LT3932 36V, 2A Synchronous Step-Down LED Driver DESCRIPTION The LT®3932 is a monolithic, synchronous, step-down DC/DC converter that utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analog voltage or the duty cycle of pulses at the CTRL...