LT3990EMSE-3.3#PBF - Robust DC/DC Converter by Linear Technology

The LT3990EMSE-3.3#PBF is a high-efficiency, step-down DC/DC converter designed to deliver a fixed output voltage of 3.3V, which is a common requirement for many electronic applications. This product is a part of Linear Technology's extensive range of power management solutions, renowned for their reliability and performance.

This DC/DC converter operates over a wide input voltage range from 4V to 60V, making it suitable for a variety of input sources, including automotive batteries, industrial supplies, and more. The device can deliver up to 350mA of continuous output current, ensuring sufficient power for your application needs.

One of the notable features of the LT3990EMSE-3.3#PBF is its robustness. It is designed to withstand harsh conditions, which is particularly important in automotive and industrial environments. The converter is protected against reverse battery, over-temperature, and short-circuit conditions, which enhances the longevity and reliability of your application.

Efficiency is a key aspect of this converter, and it incorporates a low quiescent current and a low dropout voltage, which contributes to its high efficiency over a wide range of load conditions. The device also features an internal 1.5A switch, which minimizes the need for external components and simplifies the design process.

Furthermore, the LT3990EMSE-3.3#PBF offers several user-friendly features such as a programmable soft-start function to limit inrush current during startup, and a frequency foldback feature that helps maintain high efficiency at light loads. Additionally, the device provides a power good flag to indicate when the output voltage is within regulation, which can be critical for power sequencing and monitoring functions.

The product is available in a thermally enhanced 12-pin MSOP package, which is suitable for compact designs where space is at a premium. The LT3990EMSE-3.3#PBF's package, along with its wide temperature range, ensures that it can be used in a variety of challenging environments without compromising performance.

Overall, the LT3990EMSE-3.3#PBF from Linear Technology is an excellent choice for designers looking for a robust, efficient, and easy-to-use step-down voltage converter for their power supply needs.