Microchip MCP1640 | Demoboard MCP1640 Family Data Sheet Boost Regulator

Description

The MCP1640/B/C/D is a compact, high-efficiency,fixed frequency, synchronous step-up DC-DC converter. It provides an easy-to-use power supply solution for applications powered by either single-cell, two-cell, or three-cell alkaline, NiCd, NiMH, and singlecell Li-Ion or Li-Polymer batteries

Features

• AEC-Q100 Qualified
• Up to 96% Typical Efficiency
• Passes automotive AEC-Q100 reliability testing
• 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 3.3V VOUT @ 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
• Over temperature Protection
• Available Packages:
• 6-Lead SOT-23
• 8-Lead 2 mm x 3 mm DFN

Typical applications

• Portable Products, Bluetooth Headsets
• One, Two and Three Cell Alkaline and NiMH/NiCd, Single-Cell Li-Ion to 5V Converters, Li Coin Cell Powered Devices
• +3.3V to +5.0V Distributed Power Supply
• Wireless Sensors, Handheld Instruments, GPS Receivers
• Personal Medical Products

More information

• Datasheet
• IC product information