Series: LTC3891
Part Number: LTC3891IFE#PBF
Description
Low IQ, 60V Synchronous Step-Down Controller Features: Wide VIN Range: 4V to 60V (65V Abs Max) Low Operating IQ: 50μA Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Phase-Lockable Frequency (75kHz to 750kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Load Selectable Current Limit Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitor Output Overvoltage Protection Low Shutdown IQ: < 14μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Small 20-Pin 3mm × 4mm QFN and TSSOP Packages
