Part LTC3427
Description 1.25MHz Synchronous Step-Up DC/DC Converter
Manufacturer Analog Devices
Size 337.62 KB
Analog Devices
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)