Microchip Boost Regulator Surface Mount SOT-23 Package 5.5V Output Voltage 350mA Output Current MCP1640DT-I/CHY

Microchip MCP1640DT-I/CHY is a high-efficiency synchronous boost regulator designed for surface mounting applications. This switching regulator converts low voltage DC input signals into a stable 5.5V output voltage with a continuous output current capacity of 350mA. Its wide input voltage range starting at 0.65V and operating up to 5.5V makes it suitable for battery-powered and energy-sensitive electronic devices.

This device is housed in a compact SOT-23 package with dimensions 3.1mm length, 1.8mm width, and 1.45mm depth, making it ideal for modern electronic circuit board assemblies requiring minimal footprint. The boost regulator includes 6 pins, facilitating efficient PCB surface mount integration.

The MCP1640DT-I/CHY achieves an efficiency rating of 96%, demonstrating excellent power conversion capabilities which aid in minimizing power loss and heat dissipation for prolonged device longevity. It operates reliably within a temperature range of -40°C to 85°C, suitable for industrial and commercial electronic equipment exposed to varying ambient temperatures.

Line regulation at 1% per volt and load regulation of 1% ensure the output voltage remains stable under voltage fluctuations and varying load conditions, supporting consistent performance in critical electronic systems. It belongs to the MCP1640D series of power management ICs, tailored for efficient voltage boosting needs.

Microchip manufactures this part conforming to international quality and environmental standards including EIA/JESD51-3, RoHS compliance, and ISO 9001 certification. This assures users of the device’s quality, safety, and compliance with environmental restrictions.

This boost regulator features a high efficiency of 96% for optimized power conversion. It has a maximum operating temperature of 85°C and minimum operating temperature of -40°C, suitable for harsh environments. The device supports a wide input voltage range from 0.65V to a maximum of 5.5V.

It includes 6 pins in a compact 3.1mm by 1.8mm by 1.45mm SOT-23 package type for PCB surface mounting. The part offers excellent line regulation at 1% per volt and load regulation of 1% to ensure stable voltage output. Designed as a synchronous boost converter in the MCP1640D series optimized for power-sensitive electronics.

Manufactured under standards EIA/JESD51-3, RoHS compliant, and ISO 9001 certified assuring quality and reliability.

This boost regulator is commonly used in industrial, laboratory, commercial, and consumer electronics applications requiring voltage boosting from low voltage sources such as single-cell batteries or energy harvesting devices. Its compact form factor and high efficiency make it ideal for embedded systems, IoT devices, and portable instrumentation.

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