Microchip MCP16251T-I/CH, Boost Converter, Synchronous Boost Regulator 250mA Adjustable, 575 kHz 6-Pin, SOT-23

The 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, NiCd, NiMH and one-cell Li-Ion or Li-Polymer batteries.

Up to 96% Typical Efficiency
650 mA Typical Peak Input Current Limit:
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
Adjustable Output Voltage Range: 1.8V to 5.5V
Maximum Input Voltage < VOUT < 5.5V
Automatic PFM/PWM Operation
PWM Operation at 500 kHz
Low Device Quiescent Current: <4 μA typical
Shutdown Current: 0.6 μA typical
Internal Synchronous Rectifier
Internal Compensation
Inrush Current Limiting and Internal Soft-Start
Input to Output Bypass Shutdown
True Load Disconnect Shutdown Option (MCP16251)
Anti-Ringing Control
Over-temperature Protection