Description
The LTC®3541 combines a synchronous buck DC/ DC converter with a very low dropout linear regulator (VLDO) to provide up to 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 High Efficiency, 500mA Buck (VIN: 2.7V to 5.5V)
nn 300mA VLDO Regulator with 30mA Standalone Mode nn No External Schottky Diodes Required nn Buck Output Voltage Range: 0.8V to 5V nn VLDO Input Voltage Range (LVIN): 0.9V to 5.5V nn VLDO Output Voltage Range VLDO: 0.4V to 4.1V nn Selectable Fixed Frequency, Pulse-Skip Operation or nn Burst Mode® Operati.