Synchronous Boost Regulator Board - MCP1640T
Niftee Circuits
The MCP1640T is a compact, high efficiency, fixed frequency, synchronous step-up DC-DC converter.
**Sold as 3.3V or 5.0V - make selection above or 3.3V will be default item shipped**
Features
• Up to 96% Typical Efficiency
• 800 mA Typical Peak Input Current Limit: - IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT - IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT - IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT
• Low Start-Up Voltage: 0.65V, typical 3.3V VOUT @ 1 mA
• Low Operating Input Voltage: 0.35V, typical 3.3VOUT @ 1 mA
• Adjustable Output Voltage Range: 2.0V to 5.5V
• Maximum Input Voltage VOUT < 5.5V
• Automatic PFM/PWM Operation (MCP1640/C): - PFM Operation Disabled (MCP1640B/D) - PWM Operation: 500 kHz
• Low Device Quiescent Current: 19 µA, typical PFM Mode (not switching)
• Internal Synchronous Rectifier
• Internal Compensation
• Inrush Current Limiting and Internal Soft Start
• Selectable, Logic Controlled, Shutdown States: - True Load Disconnect Option (MCP1640/B) - Input to Output Bypass Option (MCP1640C/D)
• Shutdown Current (All States): < 1 µA
• Low Noise, Anti-Ringing Control • Overtemperature Protection
• Available Packages: - 6-Lead SOT23 - 8-Lead 2x3 DFN
Applications
• One, Two and Three Cell Alkaline and NiMH/NiCd Portable Products
• Single Cell Li-Ion to 5V Converters
• Li Coin Cell Powered Devices
• Personal Medical Products
• Wireless Sensors
• Handheld Instruments
• GPS Receivers
• Bluetooth Headsets