The LTC1871EMS-7#TRPBF is a versatile and robust step-up DC/DC controller from Linear Technology, designed to cater to a wide array of power conversion applications. This component is particularly well-suited for systems that require a high voltage gain from a low voltage source, making it an ideal choice for battery-powered devices, automotive applications, and industrial equipment.

Key Features

• Wide Input Voltage Range: This controller operates over a broad input voltage range from 2.5V to 9.8V, enabling it to work with various power sources including single-cell Li-Ion batteries.
• Adjustable Output Voltage: The LTC1871EMS-7#TRPBF allows for an adjustable output voltage up to 36V, which can be set with an external resistor divider to meet specific application requirements.
• No RSENSE Operation: The device features a No RSENSE™ option, which eliminates the need for an external current sense resistor, thus reducing system complexity and cost.
• High Efficiency: The controller's low quiescent current and high switching frequency (up to 1.5MHz) enable the use of small inductors and capacitors, resulting in high efficiency and a compact power supply design.
• Soft-Start Function: The integrated soft-start function limits inrush current during startup, providing a controlled voltage ramp-up and protecting the load and input source.

Applications

• Portable Electronics
• Automotive Power Systems
• Industrial Power Supplies
• Telecommunications Equipment
• Medical Devices

Package and Reliability

The LTC1871EMS-7#TRPBF is offered in a compact 10-lead MSOP package, which is ideal for space-constrained applications. The device is characterized for operation from -40°C to 85°C, ensuring reliable performance in a wide range of environments. Additionally, it comes in tape and reel packaging, denoted by the 'TRPBF' suffix, which facilitates automated manufacturing processes.

Conclusion

The LTC1871EMS-7#TRPBF from Linear Technology stands out as a high-performance solution for efficient voltage step-up applications. Its flexible design, coupled with a suite of protective features, ensures that it can deliver the necessary performance while maintaining system integrity across various demanding applications.