The LT3571EUD#PBF is a versatile and powerful DC/DC converter produced by Linear Technology, designed to cater to a wide range of applications requiring high voltage outputs from low voltage inputs. This component is well-suited for industrial, automotive, telecommunications, and portable device applications.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage range of 2.5V to 16V, making it suitable for single-cell Li-Ion batteries as well as multi-cell battery configurations and regulated 5V and 12V power supplies.
• Adjustable Switching Frequency: The LT3571 allows for an adjustable switching frequency from 200kHz to 2.5MHz, which enables designers to optimize the size of external components and avoid critical noise-sensitive frequency bands.
• Dual Feedback Paths: With dual feedback paths, the converter can regulate two different outputs using a single inductor, offering a flexible solution for dual-output voltage applications.
• Multiple Topologies: It supports Boost, Inverting, and SEPIC topologies, providing a range of options for generating positive or negative outputs from a given input voltage.
• Integrated Boost Diode: The inclusion of an integrated Schottky boost diode reduces external component count and system complexity.
• Thermal Protection: The device includes thermal shutdown protection to safeguard against overheating during high-power operation or challenging environmental conditions.

Applications

The LT3571EUD#PBF is ideal for a variety of applications, including:

• Industrial and automotive power systems
• Telecommunication infrastructure
• Battery-powered devices
• Positive and negative voltage regulation

Reliability and Performance

Linear Technology's LT3571EUD#PBF is designed with reliability in mind, featuring a robust package that ensures long-term performance even in demanding conditions. The device's small footprint and the ability to use small, low-cost capacitors and inductors due to its high switching frequency make it an efficient choice for compact, space-constrained designs.

Ordering Information

The product is available in a 16-lead QFN package with an exposed pad for enhanced thermal performance, and it is specified for operation from -40°C to 125°C, accommodating a wide range of environmental conditions.