Description

40V Low IQ, Dual, 2-Phase 100% Duty Cycle Synchronous Step-Down Controller Features: Wide Input Voltage Range: 4.5V to 40V Wide Output Voltage Range: 0.8V to 40V Low Operating IQ 14μA (14V to 3.3V, Channel 1 On) PassThru™/100% Duty Cycle Capable Spread Spectrum Operation RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Programmable Fixed Frequency (100kHz to 3MHz) Phase-Lockable Frequency (100kHz to 3MHz) Selectable Continuous, Pulse-Skipping, or Low Ripple, Burst Mode® Operation at Light Loads Power Good Output Voltage Monitors Internal LDO Powers Gate Drive from VIN or EXTVCC Low Shutdown IQ: 1.5μA Side Wettable 28-Lead 4mm × 5mm QFN Package AEC-Q100 Automotive Qualification in Process