The LTC1147LCS8-3.3#TRPBF is a high-performance, synchronous step-down switching regulator designed by Linear Technology, known for its efficient power management solutions. This regulator is specifically engineered to convert higher input voltages to a fixed 3.3V output with exceptional efficiency and accuracy. Its compact, surface-mount LSOIC-8 package makes it an ideal choice for space-constrained applications.

Key Features

• High Efficiency: The LTC1147 series offers up to 94% efficiency, which minimizes heat generation and allows for cooler operation, even under full load conditions.
• Adjustable Switching Frequency: With a user-adjustable switching frequency from 100kHz to 200kHz, designers can optimize the regulator for size, efficiency, or component cost.
• Low Dropout Operation: The LTC1147LCS8-3.3#TRPBF maintains its output regulation with a very low difference between input and output voltages, enhancing its performance in low-dropout scenarios.
• No RSENSE Operation: This device features a proprietary design that eliminates the need for a sense resistor, which simplifies the circuit and reduces system cost and complexity.
• Burst Mode® Operation: An optional Burst Mode operation reduces quiescent current to just 15μA, maximizing battery life in portable applications.

Applications

The LTC1147LCS8-3.3#TRPBF is versatile and can be used in a wide range of applications, including:

• Portable electronics
• Telecommunications
• Industrial power supplies
• Automotive systems
• Battery-powered devices
• Computer systems

Quality and Reliability

Linear Technology's commitment to quality ensures that the LTC1147LCS8-3.3#TRPBF meets the highest standards for reliability and performance. The product is available in a tape and reel package, denoted by the 'TRPBF' suffix, which is suitable for automated assembly processes, ensuring consistent placement and soldering.

Summary

In summary, the LTC1147LCS8-3.3#TRPBF by Linear Technology is a highly efficient, synchronous step-down regulator that offers design flexibility, low-dropout operation, and Burst Mode capability, making it an excellent choice for a variety of power-sensitive applications.