FEATURES

 Wide Input Voltage Range: 3V to 42V

 Wide Output Voltage Range: 0.787V to (VIN – 0.4V)

 Ultralow Quiescent Current Burst Mode®

Operation:

 <2.5μA IQ Regulating 12VIN to 3.3VOUT

 Output Ripple <10mVP-P

 Silent Switcher® Powertrain for Ultralow EMI

Emissions

 High Efficiency 2MHz Synchronous Operation:

 Up to 93% Efficiency at 2MHz, 12VIN to 5VOUT

 Fast Minimum Switch-On Time: 40ns

 Very Low Dropout: 125mV at 1A

 Adjustable and Synchronizable: 400kHz to 2.5MHz

 Optional Spread-Spectrum Frequency Modulation

 Fixed Frequency Peak Current-Mode Operation

 Accurate 1V Enable Pin Threshold

 Output Soft-Start and Tracking

 Small 3mm × 3mm Side Wettable QFN Package

 Clearance Between High Voltage and Low Voltage Pins

 Excellent Solder Joint Reliability

 AEC-Q100 Qualified for Automotive Applications

 Temperature Grade 0: −40°C to +150°C, TA

APPLICATIONS

 Automotive and Industrial Supplies

 Low EMI Step-Down