Datasheet Linear Technology LTC3419IMS#PBF — 数据表

LTC3419
Dual Monolithic 600mA
Synchronous Step-Down
Regulator
DESCRIPTION FEATURES High Efficiency Dual Step-Down Outputs: Up to 96%
600mA Current per Channel at VIN = 3V
Only 35μA Quiescent Current During Operation
(Both Channels)
2.25MHz Constant-Frequency Operation
2.5V to 5.5V Input Voltage Range
Low Dropout Operation: 100% Duty Cycle
No Schottky Diodes Required
Internally Compensated for All Ceramic Capacitors
Independent Internal Soft-Start for Each Channel
Available in Fixed Output Versions
Current Mode Operation for Excellent Line and Load
Transient Response
0.6V Reference Allows Low Output Voltages
User-Selectable Burst Mode® Operation
Short-Circuit Protected
Ultralow Shutdown Current: IQ < 1μA
Available in Small MSOP or 3mm × 3mm DFN-8
Packages APPLICATIONS n Cellular Telephones …