LTC3649 Datasheet, Linear

60V, 4A Synchronous Step-Down Regulator with Rail-to-Rail Programmable Output DESCRIPTION nn Wide VIN Range: 3.1V to 60V nn Wide VOUT Range: 0V to (VIN
  .

nn ±0.8% Output Voltage Accuracy nn Peak Current Mode Operation nn Programmable Wire Drop Compensation nn Burst Mode® Op.

nn Wide VIN Range: 3.1V to 60V nn Wide VOUT Range: 0V to (VIN
  – 0.5V) nn Single Resistor VOUT Programming nn Integrated 110mΩ Top N-Channel/50mΩ Bottom N-Channel MOSFETs nn 95% Efficiency with 12VIN and 5VOUT nn Regulated IQ: 440µA, .