Linear Technology LTC3490EDD#PBF Step-Up DC/DC Converter

The LTC3490EDD#PBF is a high-performance, step-up DC/DC converter designed by Linear Technology to provide power solutions for a wide range of applications. This compact and efficient integrated circuit is ideal for portable devices, as it can efficiently boost lower voltage inputs to higher outputs required by modern electronic components.

Enclosed in a small 10-pin DFN (3mm x 3mm) package, the LTC3490EDD#PBF is optimized for space-constrained applications while offering a high level of performance. It operates from an input voltage range of 1.8V to 10V, making it versatile for single-cell Li-Ion, multi-cell alkaline, or NiMH applications, as well as other systems with similar power sources.

One of the key features of this step-up converter is its internal 2A switch, which allows it to deliver output voltages as high as 34V. The LTC3490EDD#PBF also boasts a high switching frequency of up to 2.4MHz, which enables the use of small, low-cost capacitors and inductors, further reducing the overall footprint and cost of the power supply design.

The device includes a range of built-in protections and functionalities, such as thermal shutdown, frequency foldback, and a low battery detector to ensure reliable operation under various conditions. The LTC3490EDD#PBF also offers high efficiency, which can be as high as 88%, reducing power loss and improving battery life in portable applications.

For ease of use, this converter requires minimal external components, simplifying the design process. Its current mode operation ensures stable operation over a wide range of input and output voltages. Additionally, the LTC3490EDD#PBF features a low shutdown current of less than 1µA, which is particularly beneficial for battery-powered applications where conserving power is critical.

In summary, the LTC3490EDD#PBF from Linear Technology is a highly efficient, compact, and versatile step-up DC/DC converter that is well-suited for a variety of portable and space-sensitive applications. Its high-frequency operation, integrated switch, and comprehensive protection features make it an excellent choice for designers looking to optimize their power management solutions.