Microchip Switching Regulator, Surface, 5.5V dc Output Voltage 5.5V dc, 250 mA Output Current

The Microchip MCP16251/2 is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. This family of devices provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or three-cell alkaline, NiCad, NiMH and one-cell Li-Ion or Li-Polymer batteries.

• Up to 96% Typical Efficiency
• IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT
• IOUT > 250 mA @ 2.4V VIN, 3.3V VOUT
• IOUT > 225 mA @ 3.3V VIN, 5.0V VOUT
• Low Start-up Voltage: 0.82V
• Operating Input Voltage: down to 0.35V