Silent Switcher ™ 50 RADIATED EMI PERFORMANCE 40 (dBµV/m) 30 20 LT8614 CISPR25 CLASS 5 PEAK 10 0 100 0 200 300 400 500 (MHz) 600 700 900 800 1000 LT8614: Lowest EMI 42V, 4A Sync Buck Passes CISPR25 Class 5 •Ultralow EMI/EMC Emissions •Up to 94% Efficiency at 2MHz •Passes CISPR25, Class 5 EMI •2.5µA Quiescent Current •VIN Range: 3.4V to 42V •30ns Minimum On-Time •3mm x 4mm QFN Package •200mV Low Dropout Sync Buck Regulators Part Number Attributes LT®8610 42V Input, 2.5A IOUT , 2.5µA IQ LT8611 42V Input, 2.5A IOUT, 2.5µA IQ , ISENSE VIN LT8614 LT8640* 42V Input, 6A IOUT , 3µA IQ , Ultralow EMC/EMI LT8620 65V Input, 2A IOUT, 2.5µA IQ LT8616* * Future product 100 42V Input, Dual Output 2.5A/1.5A, 5µA IQ www.linear.com/product/LT8614 1MHz 95 42V Input, 6A IOUT , 2.5µA IQ 42V Input, 4A IOUT, 2.5µA IQ , Ultralow EMC/EMI Info & Free Samples 12VIN to 5VOUT Efficiency 2MHz 90 Efficiency (%) LT8614 1-800-4-LINEAR LT8610A/AB 42V Input, 3.5A IOUT, 2.5µA IQ LT8612 VOUT (4A) 85 LT8614 Solution Footprint (Actual Size) 80 75 70 65 60 0 0.5 1.0 1.5 2.0 2.5 3.0 Load Current (A) 3.5 4.0 , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Silent Switcher is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners.