The LT3667HMSE#TRPBF is a versatile, high-performance integrated circuit (IC) from Linear Technology designed for use in step-down, or buck, converter applications. This IC is capable of delivering a continuous output current up to 400mA, making it suitable for a wide range of power regulation tasks in various electronic devices.

Key Features

• Wide Input Voltage Range: The LT3667HMSE#TRPBF can operate with an input voltage range from 4.3V to 40V, accommodating a variety of power sources and ensuring flexibility in design for multiple applications.
• Adjustable Output Voltage: Users can set the output voltage from 0.8V to VIN, providing a custom voltage level for specific circuit requirements.
• High Efficiency: With up to 92% conversion efficiency, this IC ensures minimal power loss during the voltage conversion process, making it ideal for battery-powered and energy-sensitive applications.
• Thermal Protection: The device includes over-temperature protection, safeguarding the IC against damage from excessive heat.
• No Schottky Diode Required: The internal design eliminates the need for an external Schottky diode, reducing the overall component count and simplifying the circuit design.
• Stable with Ceramic Capacitors: The LT3667HMSE#TRPBF operates stably with low-value, low-cost ceramic capacitors, reducing the size and cost of the overall solution.
• Frequency Foldback and Soft-Start: These features help to limit inrush current during startup, improving system reliability.

Applications

The LT3667HMSE#TRPBF is designed for a variety of applications, including but not limited to:

• Automotive and industrial supplies
• Portable and battery-powered equipment
• Distributed power systems
• Telecommunications infrastructure

Package and Quality

The device is available in a 12-lead MSOP package with an exposed pad for enhanced thermal performance. It is also available in a lead-free finish, adhering to environmental standards and regulations. The LT3667HMSE#TRPBF is RoHS compliant and is designed to meet the rigorous quality demands of the automotive and industrial markets.