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 94% Efficiency at 400kHz, 24VIN to 5VOUT

 Up to 93% Efficiency at 1MHz, 24VIN to 5VOUT

 Wide Input Voltage Range: 3.4V to 65V

 Wide Output Voltage Range: 0.97V to (VIN - 0.5V)

 Ultralow Quiescent Current Burst Mode Operation

 2.5μA IQ Regulating 12VIN to 3.3VOUT (LT8645SA)

 Output Ripple < 10mVP-P

 External Compensation: Fast Transient Response

and Current Sharing (LT8646SA)

 Robust High VOUT Operation

 Safely Tolerates High Reverse Current

 Fast Minimum Switch On-Time: 40ns

 Low Dropout Under All Conditions: 60mV at 1A

 Adjustable and Synchronizable: 200kHz to 2.2MHz

 Output Soft-Start and Tracking

 Small 32-Lead 6mm × 4mm LQFN Package

 AEC-Q100 Qualified for Automotive Applications