Description

40V Low IQ, Triple Output, 3-Phase Synchronous Step-Down Controller Features: Triple Buck Synchronous Controllers Wide Input Voltage Range: 4.5V to 40V Wide Output Voltage Range: 0.8V to 99% • VIN Low Operating IQ: 14μA (14V to 3.3V, Channel 1 On) Spread Spectrum Operation RSENSE or DCR Current Sensing Integrated Bootstrap Supply Charge Pump (Channel 1) PassThru™/100% Duty Cycle Capability (Channel 1), 99% Duty Cycle (Channels 2 and 3) 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 Low Shutdown IQ: 1.5μA Small 40-Lead 6mm × 6mm QFN Package AEC-Q100 Qualified for Automotive Applications