LTC3408
1.
5MHz, 600mA Synchronous Step-Down
Regulator with Bypass
Transistor
U U
FEATURES
■ Dynamically Adjustable Output from 0.
3V to 3.
5V ■ 600mA Output Current ■ Internal 0.
08Ω P-Channel MOSFET Bypass
Transistor ■ High Efficiency: Up to 96% ■ 1.
5MHz Constant Frequency Operation ■ No
Schottky Diode Required ■ Low Dropout Operation: 100% Duty Cycle ■ 2.
5V to 5V Input Voltage Range ■ Shutdown Mode Draws 1µA Supply Current ■ Current Mode Operation for Excellent Line and
Load Transient Response ■ Overtemperature Protected ■ Available in 8-Lead 3mm × 3mm DFN Package
U APPLICATIO S
■ WCDMA Cell Phone Power Amplifiers ■ Wireless Modems
DESCRIPTIO
The LTC®3408 is a high efficiency monolithic ...