The LT3592 is a fixed frequency step-down DC/DC converter designed to operate as a constant-current source. An external sense resistor monitors the output current allowing accurate current regulation, ideal for driving high current LEDs. The output current can be dimmed by a factor of 10 using an external signal for nighttime brake lights. The high switching frequency offers several advantages by permitting the use of a small inductor and small ceramic capacitors. Small components combined with the LT3592’s 10-pin DFN leadless surface mount package save space and cost versus alternative solutions. The constant switching frequency combined with low-impedance ceramic capacitors result in low, predictable output ripple. A wide input voltage range of 3.6V to 36V makes the LT3592 useful in a variety of applications. Current mode PWM architecture provides fast transient response and cycle-by-cycle current limiting. Thermal shutdown provides additional protection. Applications * Automotive Signal Lighting * Industrial Lighting * Constant-Current, Constant Voltage Supplies * Wide Input Voltage Range Operation from 3.6V to 36V * Resistor Adjustable 400kHz–2.2MHz Switching Frequency * Shorted and Open LED Protected * Internal Switch Current Sense Resistor * External Resistor Programs LED Current, Pin Selects 10:1 Ratio * 50mA/500mA LED Current Settings * Catch Diode Current Sense to Prevent Runaway at High VIN * Small Thermally Enhanced 10-Lead DFN (2mm × 3mm) and MSOP-10 Packages https://elecena.pl/product/753784/500ma-wide-input-voltage-range-step-down-led-driver-with-10-1-dimming 2008-11-06 https://elecena.pl/product/753784/500ma-wide-input-voltage-range-step-down-led-driver-with-10-1-dimming 2017-10-09 https://elecena.pl/product/753784/500ma-wide-input-voltage-range-step-down-led-driver-with-10-1-dimming 2025-01-19