Datasheet Summary
1.5MHz, 600mA Synchronous Step-Down Regulator with Bypass Transistor
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...