Overview of LTC4040EUFD#TRPBF

The LTC4040EUFD#TRPBF is a high-performance, integrated supercapacitor backup power manager designed by Linear Technology. This advanced product is specifically engineered to provide an uninterrupted power supply for electronic systems by automatically transitioning to backup power during a main power failure. The device is suitable for a wide range of applications, including memory backup, ride-through, instant-on, and power bridging in consumer, industrial, and automotive electronics.

Key Features

• Automatic Switchover: The LTC4040 seamlessly transitions between the primary power source and the backup supercapacitor when needed, ensuring continuous operation of the system without interruption.
• Wide Input Voltage Range: This product operates over a broad input voltage range, accommodating various power supply specifications and making it versatile for different use cases.
• Integrated Charger: It includes an onboard supercapacitor charger that provides a constant current/constant voltage charge algorithm, optimizing the charging process for speed and efficiency.
• Adjustable Output: The output voltage is adjustable, allowing for customization to match the power requirements of the connected load.
• PowerPath™ Control: Linear Technology's proprietary PowerPath control enables the LTC4040 to provide power to the load from the supercapacitor while simultaneously charging it when the main power is available.
• Compact Package: The device comes in a compact, 24-lead QFN package, which is ideal for space-constrained applications.

Technical Specifications

• Part Number: LTC4040EUFD#TRPBF
• Manufacturer: Linear Technology
• Package: 24-lead QFN
• Operating Temperature Range: Specified for commercial and industrial temperature ranges.

Applications

The LTC4040EUFD#TRPBF is well-suited for a variety of applications where maintaining power continuity is critical. It is commonly used in portable devices, data storage systems, handheld radios, industrial control systems, and automotive GPS/navigation units. Its reliable performance ensures that these systems can retain data and remain operational during unexpected power disruptions.

Linear Technology's LTC4040EUFD#TRPBF is a testament to the company's commitment to providing innovative power management solutions that enhance the reliability and functionality of electronic systems across multiple sectors.