Series: LTC3894
Part Number: LTC3894IFE#PBF
Description
150V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle Capability Features: Wide Operating VIN Range: 4.5V to 150V Wide VOUT Range: 0.8V to 60V 9μA IQ when Regulating 48VIN to 3.3VOUT 16μA IQ when Regulating 12VIN to 3.3VOUT Very Low Dropout Operation: 100% Duty Cycle Adjustable Input Overvoltage Lockout Programmable PGOOD Undervoltage Monitor RSENSE or Inductor DCR Current Sensing Selectable High Efficiency Burst Mode® Operation or Pulse-Skipping Mode at Light Loads Programmable Fixed Frequency: 50kHz to 850kHz Phase-Lockable Frequency: 75kHz to 800kHz Internal Fixed Soft-Start and External Programmable Soft-Start or Voltage Tracking Strong MOSFET Gate Driver with Selectable Undervoltage Lockout Thresholds Optional External NMOS for Gate Driver Bias in High Power Applications
