Datasheet Linear Technology LTC3541EDD-1#PBF — 数据表

LTC3541-1
High Efficiency
Buck + VLDO Regulator
FEATURES DESCRIPTION High Efficiency, 500mA Buck Plus 300mA VLDO™
Regulator
nn Auto Start-Up Powers VLDO/Linear Regulator
Output Prior to Buck 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 (LV ): 0.9V to 5.5V
IN
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
nn Small, Thermally Enhanced, 10-Lead (3mm × 3mm) …