LTC3427
Overview
The LTC®3427 is the industry’s first high efficiency, fixed frequency, step-up DC/DC converter with true output disconnect in a 6-lead 2mm × 2mm DFN package. Requiring minimal external components, the LTC3427 operates from an input voltage as low as 1.8V.
- High Efficiency: Up to 94%
- 3.3V at 200mA from Two Alkaline Cells
- 5V at 200mA from a Single Li-Ion Cell
- Inrush Current Limiting and Soft-Start
- Output Disconnect in Shutdown
- 1.8V to 5V VIN Range
- 1.8V to 5.25V VOUT Range
- 1.25MHz Fixed Frequency, Low Noise PWM
- Internal Synchronous Rectifier
- Logic Controlled Shutdown (<1µA)