The LT3991IMSE-3.3#TRPBF is a high-performance, step-down DC/DC converter from Linear Technology, designed to deliver a fixed output voltage of 3.3V. This efficient and versatile component is ideal for a wide range of applications, including portable devices, industrial controls, and automotive systems. The converter operates over an input voltage range of 4V to 38V, making it suitable for systems with varying input supplies.

Key Features

• Fixed 3.3V Output: Provides a regulated 3.3V output, which is a common voltage requirement for digital circuits and microcontrollers.
• Wide Input Voltage Range: With an input range of 4V to 38V, it is flexible for use in environments with fluctuating power supplies.
• High Efficiency: The device is designed for optimal power conversion efficiency, minimizing heat generation and power loss.
• Adjustable Switching Frequency: Allows customization of the switching frequency from 200kHz to 2.2MHz, enabling trade-offs between efficiency and component size.
• Thermal Protection: Includes thermal shutdown to protect the device under over-temperature conditions.
• Robust Packaging: Comes in a 12-pin MSOP package with a thermal pad for improved heat dissipation.

Applications

• Portable Electronics
• Automotive Power Systems
• Industrial Controls
• Telecommunications Infrastructure

Quality and Reliability

The LT3991IMSE-3.3#TRPBF is built to meet the high standards of quality and reliability that Linear Technology is known for. The device is RoHS compliant and is designed to withstand the rigorous demands of industrial and automotive applications. Its MSOP package is designed for compact PCB layouts, making it a space-saving solution for power supply designs.

Ordering Information

The product is available in tape and reel packaging, denoted by the '#TRPBF' suffix, facilitating automated pick-and-place manufacturing processes. For detailed ordering and shipping information, please consult the manufacturer's datasheet or contact Linear Technology's sales department.