Maxim Integrated's MAX1759EUB: High-Efficiency, Step-Up DC-DC Converter
The MAX1759EUB from Maxim Integrated is a compact, high-efficiency, step-up DC-DC converter specifically designed to deliver a stable and regulated power supply. This versatile component is ideal for portable devices, as it can operate from a single lithium-ion (Li+) cell, multiple alkaline/NiMH cells, or other power sources with a voltage range from 0.7V to 5.5V.
With its ability to provide an adjustable output voltage from 2.7V to 5.5V, the MAX1759EUB is a perfect choice for applications requiring a fixed 3.3V, 5V, or other intermediate voltages. This flexibility, combined with a high 94% efficiency rating, makes it an excellent option for battery-powered devices where maximizing battery life is crucial.
The MAX1759EUB comes in a tiny, space-saving 10-pin µMAX package, which is highly beneficial for space-constrained applications. Its small form factor does not compromise its performance; the device boasts a 1.5A switch current limit, providing ample power for a variety of uses. Additionally, it features a low quiescent current of only 110µA (typical), further enhancing its battery life efficiency.
One of the key features of the MAX1759EUB is its True Shutdown™ mode, which disconnects the output from the input when shut down, ensuring minimal power consumption. This is particularly useful in preserving battery life when the device is not in active use.
The converter also incorporates a range of protective features, including overvoltage protection, which guards the device and the load from unexpected voltage spikes. Furthermore, it has a thermal overload protection mechanism, ensuring the device operates within safe temperature ranges, thus providing reliability and stability in operation.
Overall, the MAX1759EUB from Maxim Integrated is an excellent power solution for designers looking to enhance the performance and extend the battery life of their portable electronics. Its combination of high efficiency, adjustable output, and protective features, all in a miniature package, make it a smart choice for a wide array of applications.