Description

18V, 10A SynchronousStep-Down Silent Switcher 2 Features: Silent Switcher®2 Architecture Ultralow EMI Emissions On Any PCB Eliminates PCB Layout Sensitivity Internal Bypass Capacitors Reduce Radiated EMI Optional Spread Spectrum Modulation High Efficiency at High Frequency Up to 96% Efficiency at 1MHz, 12VIN to 3.3VOUT Up to 95% Efficiency at 2MHz, 12VIN to 3.3VOUT Wide Input Voltage Range: 2.8V to 18V 10A Output Current External Compensation: Fast Transient Response and Current Sharing Low Quiescent Current Burst Mode® Operation 240µA IQ Regulating 12VIN to 1.2VOUT Output Ripple < 10mVP-P Fast Minimum Switch On-Time: 25ns Low Dropout Under All Conditions: 50mV at 1A Forced Continuous Mode Adjustable and Synchronizable: 200kHz to 3MHz Output Soft-Start and Power Good Small 24-Lead 4mm × 4mm LQFN Package