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UM1550DB-28

UM1550DB-28 Description

The UM1550DB-28 is a high-performance, low quiescent current linear voltage regulator designed for a wide range of power management applications. Manufactured by Union Semiconductor International Limited, this device offers exceptional efficiency and reliability, making it ideal for battery-powered and low-power systems. With a maximum input voltage of 8V and a fixed output voltage of 2.8V, the UM1550DB-28 ensures stable power delivery with a quiescent current as low as 3.5 µA. This ultra-low quiescent current significantly reduces power consumption, extending battery life in portable devices.

UM1550DB-28 Features

• Ultra-Low Quiescent Current: The UM1550DB-28 boasts a quiescent current of only 3.5 µA, making it one of the most energy-efficient regulators in its class. This feature is crucial for applications where minimizing power consumption is essential, such as in battery-operated devices.
• High PSRR: With a power supply rejection ratio (PSRR) ranging from 56dB to 42dB across frequencies from 100Hz to 1kHz, the UM1550DB-28 effectively filters out noise from the input power supply, ensuring clean and stable output voltage.
• Fixed Output Voltage: The regulator provides a fixed output voltage of 2.8V, simplifying design and ensuring consistent performance across various applications.
• High Output Current: Capable of delivering up to 300mA of output current, the UM1550DB-28 can power a wide range of electronic components and systems.
• Low Dropout Voltage: The maximum dropout voltage of 0.3V at 200mA ensures efficient operation even when the input voltage is close to the output voltage, further enhancing the regulator's efficiency.
• Protection Features: The UM1550DB-28 includes over-current and over-temperature protection, safeguarding the device and connected components from potential damage.
• Surface Mount Packaging: The surface mount package (Tape & Reel) makes the UM1550DB-28 easy to integrate into compact and high-density designs.
• Compliance and Status: The device is REACH unaffected and RoHS compliant, ensuring it meets the highest environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001.

UM1550DB-28 Applications

The UM1550DB-28 is well-suited for a variety of applications where low power consumption, high efficiency, and reliable performance are critical. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics such as smartphones, tablets, and wearable devices, where minimizing power consumption is essential to extend battery life.
• IoT Devices: Perfect for Internet of Things (IoT) devices that require stable power supply and low power consumption to operate efficiently.
• Medical Devices: Suitable for medical equipment that demands high reliability and low noise, ensuring accurate and consistent performance.
• Consumer Electronics: Applicable in a wide range of consumer electronics, including cameras, gaming consoles, and home automation systems, where efficient power management is crucial.

Conclusion of UM1550DB-28

The UM1550DB-28 stands out as a superior choice for applications requiring a reliable, low-power linear voltage regulator. Its ultra-low quiescent current, high PSRR, and fixed output voltage make it an ideal solution for battery-powered and low-power systems. With additional features such as over-current and over-temperature protection, the UM1550DB-28 ensures robust and efficient operation. Its surface mount packaging and compliance with industry standards further enhance its suitability for modern electronic designs. Whether powering portable devices, IoT systems, or medical equipment, the UM1550DB-28 delivers exceptional performance and reliability, making it a standout product in the power management category.