Description
The LTC®3541-2 combines a synchronous buck DC/ DC converter with a very low dropout linear regulator (VLDOTMregulator) and internal feedback resistor networks to provide two output voltages from a single input voltage with minimal external components.
Features
- nn High Efficiency, 500mA Buck Plus 300mA VLDO Regulator nn Auto Start-Up Powers Buck Output Prior to VLDO/ Linear Regulator Output
nn Independent 500mA High Efficiency Buck (VIN: 2.7V to 5.5V)
nn 300mA VLDO Regulator with 30mA Standalone Mode nn No External Schottky Diodes Required nn Fixed Buck Output Voltage: 1.875V nn VLDO Input Voltage Range (LVIN: 1.6V to 5.5V) nn Fixed VLDO Output Voltage: 1.5V nn Selectable Fixed Frequency, Pulse-Skip Operation nn or Burst Mode® Operation nn Short-Circui.
LTC3541-2_LinearTechnology.pdf
