Description

42V, 5A/7A Peak Synchronous Step-Down Silent Switcher with 2.5A Quiescent Current Features: Silent Switcher® Architecture Ultralow EMI Emissions Optional Spread Spectrum Modulation High Efficiency at High Frequency Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT Wide Input Voltage Range: 3.4V to 42V 5A Maximum Continuous, 7A Peak Transient Output Ultralow Quiescent Current Burst Mode® Operation 2.5µA IQ Regulating 12VIN to 3.3VOUT Output Ripple < 10mVP-P Fast Minimum Switch On-Time: 30ns Low Dropout Under All Conditions: 100mV at 1A Forced Continuous Mode Adjustable and Synchronizable: 200kHz to 3MHz Output Soft-Start and Power Good Small 20-Lead 4mm × 3mm LQFN Package AEC-Q100 Qualified for Automotive Applications