Product Overview: LT3991EMSE-3.3#TRPBF

The LT3991EMSE-3.3#TRPBF is a high-performance, step-down DC/DC converter from Linear Technology, designed to meet a wide range of power supply requirements with efficiency and precision. This compact and reliable component is ideal for portable devices, industrial equipment, and automotive applications where power efficiency and space constraints are critical considerations.

Key Features

• Output Voltage: The device provides a fixed output voltage of 3.3V, which is commonly required for digital circuits and microcontroller-based systems.
• Input Voltage Range: It operates over a wide input voltage range from 4V to 36V, making it versatile for various applications, from single-cell Li-ion batteries to automotive power systems.
• High Efficiency: The LT3991EMSE-3.3#TRPBF is designed for high efficiency, which minimizes heat generation and power loss, thus extending battery life in portable applications.
• Adjustable Switching Frequency: The switching frequency can be programmed between 200kHz to 2.4MHz or synchronized to an external clock, allowing flexibility in optimizing the size of external components and noise management.
• Thermal Performance: Housed in an MSOP-16 package, the product offers excellent thermal performance, ensuring reliability even in environments with limited airflow.
• Protection Features: It includes a range of protection features such as over-temperature protection, over-current protection, and undervoltage lockout, safeguarding the device and the system it powers from various fault conditions.

Applications

The LT3991EMSE-3.3#TRPBF's robust design and flexible features make it suitable for an array of applications, including:

• Portable Instruments
• Automotive Power Systems
• Industrial Supplies
• Embedded Systems
• Point-of-Load Applications

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LT3991EMSE-3.3#TRPBF is no exception. It is designed to meet the stringent requirements of the most demanding applications, ensuring long-term reliability and performance. The product is also available in a RoHS-compliant package, denoted by the '#TRPBF' suffix, indicating it is manufactured with environmentally friendly materials and processes.

With its combination of efficiency, flexibility, and protection features, the LT3991EMSE-3.3#TRPBF is an excellent choice for designers looking for a reliable power solution in a compact form factor.