LT3932-1 - Analog Devices

LT3932-1 2A Synchronous Step-Down LED Driver

The LT®3932 , featuring the Silent Switcher®architecture to minimize EMI/EMC emissions, utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analo.

Features

nn ±1.5% LED Current Regulation nn ±1.2% Output Voltage Regulation nn 5000:1/10000+:1 PWM Dimming at 100Hz (LT3932/LT3932-1) 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 200kHz to 2MHz with SYNC Function nn 99.9% Maximum Duty Cycle nn 20:1 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 .