The LT3640EUFD#PBF is a high-performance, step-down switching regulator from Linear Technology, designed to deliver efficient power management for a wide range of applications. This advanced power solution is housed in a compact 28-pin 4mm x 5mm QFN package, making it suitable for space-constrained designs.

Key Features

• Input Voltage Range: The device operates with an input voltage range of 4V to 36V, making it versatile for use in various systems that experience wide input voltage variations.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to as high as 32V, providing flexibility to power a broad spectrum of ICs and devices.
• High Efficiency: With its high efficiency, the LT3640EUFD#PBF minimizes power loss and heat generation, enhancing system reliability and performance.
• Robust Protection Features: It includes over-temperature protection, over-current protection, and short-circuit protection, ensuring the safety and longevity of both the regulator and the system it powers.
• Low Ripple: The design of this regulator ensures low output voltage ripple, which is critical for sensitive electronics that require stable power.

Applications

The LT3640EUFD#PBF is ideal for a variety of applications, including but not limited to automotive systems, industrial controls, telecommunications equipment, and portable devices. Its robust design and wide input voltage range make it particularly well-suited for environments with fluctuating or unstable power supplies.

Additional Information

Linear Technology's LT3640EUFD#PBF is built with a synchronous rectification topology to achieve high efficiency. It also features a frequency foldback and Burst Mode operation to maintain high efficiency at low output currents. This switching regulator supports a switching frequency range of 300kHz to 2.2MHz, which can be synchronized to an external clock to reduce electromagnetic interference (EMI) and optimize the use of space-constrained filter components.

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LT3640EUFD#PBF is no exception. It is designed to meet the stringent requirements of various industries, ensuring reliable performance in even the most demanding applications.