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UM1530DB-28

UM1530DB-28 Description

The UM1530DB-28 is a high-performance, low quiescent current linear voltage regulator designed by Union Semiconductor International Limited. It is part of the UM1530 series and offers a fixed output voltage of 2.8V with a maximum input voltage of 6V. This regulator is optimized for low power consumption, making it ideal for battery-operated and energy-sensitive applications. The device features a quiescent current of just 1.5 µA, ensuring minimal power loss during operation. It also boasts a high power supply rejection ratio (PSRR) ranging from 56dB to 42dB across frequencies from 100Hz to 1kHz, which helps in maintaining stable output voltage even under varying input conditions.

UM1530DB-28 Features

• Low Quiescent Current: With a quiescent current of only 1.5 µA, the UM1530DB-28 is highly efficient, making it suitable for applications where power conservation is critical.
• High PSRR: The regulator offers a PSRR of 56dB to 42dB over the frequency range of 100Hz to 1kHz, ensuring excellent noise rejection and stable output voltage.
• Fixed Output Voltage: The UM1530DB-28 provides a fixed output voltage of 2.8V, simplifying design and ensuring consistent performance.
• Over Current and Over Temperature Protection: Built-in protection features safeguard the device and connected circuits from over current and over temperature conditions, enhancing reliability and longevity.
• Surface Mount Packaging: The surface mount package (Tape & Reel) facilitates easy integration into modern PCB designs, reducing assembly complexity and cost.
• Low Dropout Voltage: A maximum dropout voltage of 0.33V at 200mA ensures efficient operation even at low input-to-output voltage differentials.
• RoHS Compliance: The UM1530DB-28 is RoHS compliant, meeting environmental standards and regulations.
• REACH Unaffected: The product is unaffected by REACH regulations, ensuring compliance with European chemical safety standards.

UM1530DB-28 Applications

The UM1530DB-28 is well-suited for a variety of applications where low power consumption and stable voltage regulation are essential. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics, wearables, and IoT devices where battery life is a critical factor.
• Low Power Systems: Suitable for applications requiring efficient power management, such as remote sensors, medical devices, and low-power microcontrollers.
• Consumer Electronics: Can be used in smartphones, tablets, and other consumer devices to provide stable power supply with minimal power loss.
• Industrial Applications: Applicable in industrial control systems, automation equipment, and other environments where reliable power regulation is necessary.

Conclusion of UM1530DB-28

The UM1530DB-28 stands out in the market due to its exceptional low quiescent current and high PSRR, making it an excellent choice for applications that demand efficient power management and stable voltage regulation. Its fixed output voltage and surface mount packaging further enhance its versatility and ease of integration. The built-in protection features and compliance with environmental standards add to its reliability and suitability for a wide range of applications. Whether for battery-operated devices or low power systems, the UM1530DB-28 offers a robust and efficient solution for power management needs.