Datasheet Summary
Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23
Features
- High Efficiency: Up to 94%
- High Output Currents Easily Achieved
- Wide VIN Range: 2.5V to 9.8V
- Constant Frequency 550kHz Operation
- Burst Mode® Operation at Light Load
- Low Dropout: 100% Duty Cycle
- Tiny 6-Lead SOT-23 Package
- 0.8V Reference Allows Low Output Voltages
- Current Mode Operation for Excellent Line and Load
Transient Response
- Low Quiescent Current: 270µA
- Shutdown Mode Draws Only 8µA Supply Current
- ±2.5% Reference Accuracy
U APPLICATIO S
- One or Two Lithium-Ion-Powered Applications
- Cellular Telephones
- Wireless Modems
- Portable puters
- Distributed 3.3V, 2.5V or...