Description

65V, 3.5A Synchronous Step-Down Silent Switcher with 2.5A Quiescent Current Features: Silent Switcher® Architecture Ultralow EMI Emissions Spread Spectrum Frequency Modulation High Efficiency at High Frequency Up to 95% Efficiency at 1MHz, 12VIN to 5VOUT Up to 94% Efficiency at 2MHz, 12VIN to 5VOUT Wide Input Voltage Range: 3V to 65V 3.5A Maximum Continuous Output, 5A Peak Transient Output Fast Minimum Switch-On Time: 35ns Ultralow Quiescent Current Burst Mode® Operation 2.5μA IQ Regulating 12VIN to 3.3VOUT Output Ripple < 10mVP-P Low Dropout Under All Conditions: 130mV at 1A Safely Tolerates Inductor Saturation in Overload Adjustable and Synchronizable: 200kHz to 3MHz Peak Current Mode Operation Output Soft-Start and Tracking Small 18-Lead 3mm × 4mm QFN AEC-Q100 Qualified for Automotive Applications