MCP1640B-I/MC - Microchip Technology

Manufacturer Part Number

MCP1640B-I/MC

Manufacturer

Microchip Technology

Introduction

The MCP1640B is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter.

Product Features and Performance

High-efficiency boost regulator

Adjustable output voltage

Low start-up voltage (0.8V minimum)

Integrated synchronous rectifier for improved efficiency

Frequency switching at 500kHz

Capable of delivering 350mA output current

Wide input voltage range from 0.8V to 5.5V

Supports outputs ranging from 2V to 5.5V

Stable with a small output capacitor

Short-circuit protection and thermal shutdown

Product Advantages

High conversion efficiency

Minimal design footprint with DFN package

Low power consumption under light load with a true cut-off

Low RDS(ON) switches for higher efficiency

Can supply a higher output current using an external switch

Key Technical Parameters

Voltage - Input (Min): 0.8V

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 2V

Voltage - Output (Max): 5.5V

Current - Output: 350mA

Frequency - Switching: 500kHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C to 125°C (TJ)

Quality and Safety Features

Over-temperature protection

Under-voltage lockout (UVLO)

Over-current protection

Short-circuit protection

Compatibility

Compatible with multiple battery chemistries

Usable with microcontrollers in power-sensitive applications

Surface Mount device suitable for automated PCB assembly

Application Areas

Battery-powered devices

Hand-held devices

IoT devices

Energy-harvesting systems

Wireless sensors

Portable electronics

Product Lifecycle

Product Status: Active

Not currently listed as nearing discontinuation

Replacement and upgrade options typically available

Several Key Reasons to Choose This Product

Provides a high-efficiency power solution for low-voltage inputs

Synchronous rectification for maximum efficiency

Supports a wide range of loads and applications

Highly suitable for battery-operated devices

Designed for reliability in a range of operating conditions

Continued manufacturer support (Active status)

Space-saving DFN package ideal for compact electronic designs