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UM1530DB-18

UM1530DB-18 Description

The UM1530DB-18 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 is part of the UM1530 series and offers a fixed output voltage of 1.8V. It is designed to operate with a maximum input voltage of 6V and can deliver up to 300mA of output current. The UM1530DB-18 is packaged in a surface-mount format, making it ideal for compact and space-constrained designs.

UM1530DB-18 Features

• Low Quiescent Current: The UM1530DB-18 boasts an exceptionally low quiescent current of just 1.5 µA, making it highly efficient and suitable for battery-powered devices where minimizing power consumption is critical.
• High PSRR: With a power supply rejection ratio (PSRR) ranging from 56dB to 42dB across frequencies from 100Hz to 1kHz, the regulator effectively filters out noise from the input supply, ensuring a clean and stable output voltage.
• Fixed Output Configuration: The regulator provides a fixed positive output voltage of 1.8V, simplifying design and eliminating the need for external voltage setting components.
• Low Dropout Voltage: The UM1530DB-18 has a maximum dropout voltage of 0.33V at 200mA, allowing it to maintain regulation even when the input voltage is close to the output voltage, which is beneficial in applications with tight voltage margins.
• Protection Features: The device includes built-in over-current and over-temperature protection, enhancing reliability and safeguarding against potential damage from short circuits or excessive power dissipation.
• Compliance and Packaging: The UM1530DB-18 is REACH unaffected and RoHS compliant, ensuring it meets environmental and safety standards. It is available in a tape and reel (TR) package, facilitating automated assembly processes.

UM1530DB-18 Applications

The UM1530DB-18 is well-suited for a variety of applications where low power consumption, high efficiency, and reliable performance are paramount. Key applications include:

• Battery-Powered Devices: Ideal for portable electronics such as smartphones, tablets, and wearable devices where minimizing power draw is essential to extend battery life.
• Consumer Electronics: Suitable for applications like digital cameras, media players, and other consumer devices that require stable power supply with minimal noise.
• Industrial Equipment: Can be used in low-power industrial sensors, controllers, and IoT devices where efficiency and reliability are crucial.
• Medical Devices: Applicable in portable medical equipment such as glucose meters, pulse oximeters, and other devices that demand low power and high performance.

Conclusion of UM1530DB-18

The UM1530DB-18 stands out as a versatile and efficient linear voltage regulator, offering a unique combination of low quiescent current, high PSRR, and robust protection features. Its fixed 1.8V output and low dropout voltage make it an excellent choice for applications requiring stable power supply with minimal power loss. The device's compliance with environmental and safety standards, along with its surface-mount packaging, further enhances its suitability for modern electronics. Whether in consumer, industrial, or medical applications, the UM1530DB-18 delivers reliable performance and efficiency, making it a standout option in the power management IC market.