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® Operation nn Short-Circuit Protected nn Current Mode Operation for Excellent Line and Load
Transient Response nn Constant Frequency Operation: 2.
25MHz nn Low Dropout Buck Operation: 100% Duty Cycle ...