Microchip SOT-23 6-Pin Surface Mount Boost Converter, 5.5V Output Voltage, 225mA Output Current MCP16251T-I/CH

Microchip MCP16251T-I/CH is a highly efficient surface mount boost converter designed for compact power supply solutions. It delivers up to 225mA output current and a fixed output voltage of 5.5V, making it suitable for a wide range of industrial, electronics, and embedded applications. The device comes in a small 6-pin SOT-23 package (3.1mm length x 1.8mm width x 1.45mm depth), optimized for space-constrained designs requiring surface mount assembly.

The converter operates with a wide input voltage range from 0.82V to 5.5V and provides advanced features including automatic PFM/PWM switching modes, anti-ringing control, internal synchronous rectifier, and inrush current limiting. It supports an adjustable output voltage between 1.8V and 5.5V and maintains high efficiency up to 96% under typical conditions, reducing power dissipation.

Its low quiescent current characteristic is beneficial for battery-powered and portable devices. The MCP16251T-I/CH is rated for robust operation under industrial temperature conditions from -40°C to +85°C, ensuring reliable performance in demanding environments.

With compliance to ISO 9001 quality standards, RoHS environmental directives, and EIA/JESD51-3 thermal characterization guidelines, this boost converter is verified for quality and safety. The package’s six pins provide a simple implementation in various voltage conversion circuits requiring a single output step-up DC-DC function with load regulation of 1.5 % and line regulation of 0.4 %/V.

This Boost Converter is widely used in applications such as power management in portable electronics, sensor power supply, industrial automation, and other low voltage power regulation tasks. Its features and small form factor enable designers to achieve reliable voltage boosting while minimizing PCB area and component count.

Adjustable output voltage from 1.8V to 5.5V with synchronous rectification. Typical peak input current limit of 650mA to ensure device protection. Low device quiescent current ideal for battery-powered equipment. Automatic switching between PFM and PWM operation modes for efficiency.

Internal soft start limits inrush current and protects power circuits. Wide operating temperature range -40°C to 85°C for industrial use. Compact 6-pin SOT-23 package for efficient PCB space utilization. Compliant with ISO 9001, RoHS, and EIA/JESD51-3 standards.

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