LT8643S
FEATURES n Silent Switcher ®2 Architecture n Ultralow EMI Emissions on Any PCB n Eliminates PCB Layout Sensitivity n Internal Bypass Capacitors Reduce Radiated EMI n Optional Spread Spectrum Modulation n High Efficiency at High Frequency n Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT n Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT n Wide Input Voltage Range: 3.4V to 42V n 6A Maximum Continuous, 7A Peak Output n Ultralow Quiescent Current Burst Mode® Operation n 2.5µA IQ Regulating 12VIN to 3.3VOUT (LT8640S) n Output Ripple < 10m VP-P n External pensation: Fast Transient Response and Current Sharing (LT8643S) n Fast Minimum Switch On-Time: 30ns n Low Dropout Under All Conditions: 100m V at 1A n Forced Continuous Mode n Adjustable and Synchronizable: 200k Hz to 3MHz n Output Soft-Start and Tracking n Small 24-Lead 4mm × 4mm LQFN Package n AEC-Q100 Qualified for Automotive Applications
APPLICATIONS n Automotive and Industrial Supplies n General Purpose Step-Down
DESCRIPTION
The...
