Datasheet Linear Technology LTC3407EMSE-4#PBF — 数据表

LTC3407-4
Dual Synchronous, 800mA,
2.25MHz Step-Down
DC/DC Regulator
DESCRIPTION FEATURES High Efficiency: Up to 95%
Very Low Quiescent Current: Only 40μA
2.25MHz Constant Frequency Operation
High Switch Current: 1.2A on Each Channel
No Schottky Diodes Required
Low RDS(ON) Internal Switches: 0.35Ω
Current Mode Operation for Excellent Line
and Load Transient Response
Short-Circuit Protected
Low Dropout Operation: 100% Duty Cycle
Ultralow Shutdown Current: IQ < 1μA
Output Voltages from 5V down to 0.6V
Power-On Reset Output
Externally Synchronizable Oscillator
Small Thermally Enhanced MSOP and 3mm × 3mm
DFN Packages APPLICATIONS PDAs/Palmtop PCs
Digital Cameras
Cellular Phones
Portable Media Players …