The LTC4040IUFD#TRPBF is a high-performance emergency backup power supply solution from Linear Technology, designed to ensure the reliability and continuity of critical applications. This product seamlessly transitions between primary power and backup power sources, making it an essential component for systems that cannot afford to lose power unexpectedly.

Key Features

• Integrated Backup Power: The LTC4040IUFD#TRPBF includes an integrated supercapacitor charger and system backup regulator, providing a compact and efficient backup power management system.
• Wide Input Voltage Range: With an input voltage range of 3.5V to 5.5V, it is versatile enough to accommodate a variety of primary power sources.
• Adjustable Output Voltage: The output voltage is adjustable from 2.5V to 5V, allowing flexibility in different application requirements.
• High Current Output: It can deliver up to 2.5A of continuous output current, ensuring that even high-demand devices can be supported during a power failure.
• Automatic Switchover: The device automatically switches to backup mode when the primary power source falls below the programmable threshold, minimizing system downtime.
• Low Quiescent Current: The LTC4040IUFD#TRPBF is designed for efficiency with a low quiescent current, which is critical for prolonging backup power duration.

Applications

The LTC4040IUFD#TRPBF is ideal for a variety of applications that require reliable backup power. These include portable medical devices, automotive GPS/data logging systems, industrial alarms, handheld electronics, and any other system where power continuity is critical.

Package and Quality

This product is offered in a 28-lead QFN package, which provides a compact footprint for space-constrained applications. It also comes with the assurance of Linear Technology's commitment to high-quality manufacturing and reliability.

Ordering Information

The LTC4040IUFD#TRPBF is available in tape and reel packaging, denoted by the TRPBF suffix, which facilitates automated manufacturing processes. This packaging ensures safe and convenient handling for high-volume production needs.