LTC1772B
Description
The LTC®1772B is a constant frequency current mode step-down DC/DC controller providing excellent AC and DC load and line regulation. The device incorporates an accurate undervoltage lockout feature that shuts down the LTC1772B when the input voltage falls below 2.0V.
Key Features
- Burst Mode® Operation Disabled for Lower Output Ripple at Light Loads
- High Efficiency: Up to 94%
- High Output Currents Easily Achieved
- Wide VIN Range: 2.5V to 9.8V
- Constant Frequency 550kHz Operation
- Low Dropout: 100% Duty Cycle
- Output Voltage Down to 0.8V
- Current Mode Operation for Excellent Line and Load Transient Response
- Shutdown Mode Draws Only 8µA Supply Current
- Tiny 6-Lead TSOT-23 Package
