LT3973EDD-3.3#TRPBF - Linear Technology

The LT3973EDD-3.3#TRPBF is a high-performance step-down switching regulator produced by Linear Technology, a leader in the design and manufacturing of analog integrated circuits. This regulator is designed to convert a higher input voltage to a fixed 3.3V output voltage with a maximum output current of up to 3A. Its compact and efficient design makes it an ideal choice for a wide range of applications, including portable devices, automotive, industrial, and telecommunications systems.

Key Features:

• Wide Input Voltage Range: The device can operate from an input voltage range of 4.3V to 42V, making it versatile for use in various applications where the supply voltage may vary.
• Fixed Output Voltage: The output voltage is fixed at 3.3V, which is commonly used in digital circuits and microcontroller-based systems.
• High Efficiency: The LT3973EDD-3.3#TRPBF features a high-efficiency design, which reduces power loss and improves overall system performance.
• Adjustable Switching Frequency: The switching frequency can be adjusted from 200kHz to 2.2MHz, allowing designers to optimize the regulator for size, efficiency, or other performance characteristics.
• Robust Thermal Performance: The regulator is packaged in a thermally efficient DFN package, which helps to manage heat dissipation and maintain stable operation even at full load.
• Burst Mode® Operation: This feature allows for low quiescent current, making it suitable for battery-powered applications where extending battery life is critical.
• Protection Features: The device includes overvoltage protection, overcurrent protection, and thermal shutdown, enhancing system reliability and safety.

Applications:

• Automotive and Industrial Systems
• Telecommunications Equipment
• Portable Electronic Devices
• Power Supplies for Battery-Operated Devices

The LT3973EDD-3.3#TRPBF's combination of features, including its wide input voltage range, high efficiency, and comprehensive protection circuitry, makes it a robust and reliable choice for engineers and designers looking to create compact and energy-efficient power supply solutions.