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IXD1421AB49ER-G

IXD1421AB49ER-G Description

The IXD1421AB49ER-G is a high-performance dual high-speed Low Dropout (LDO) linear voltage regulator designed for applications requiring efficient power management and stable voltage regulation. Manufactured by Littelfuse, this device is part of the Power Management Integrated Circuits (PMIC) category and is ideal for applications where space is limited and high efficiency is crucial.

This regulator features a quiescent current of just 190 µA, ensuring minimal power consumption during standby conditions. It offers a high Power Supply Rejection Ratio (PSRR) of 75dB at 1kHz, which effectively filters out noise from the input power supply, resulting in cleaner output voltage. The IXD1421AB49ER-G supports a maximum input voltage of 5.5V and provides two fixed output voltages of 3.3V and 1.8V, each capable of delivering up to 300mA of current.

The device is equipped with advanced protection features, including over-current, over-temperature, and short-circuit protection, ensuring reliable operation under various conditions. It also includes an enable control feature, allowing users to control the regulator's operation dynamically. The IXD1421AB49ER-G is packaged in a surface-mount format, specifically in a Tape & Reel (TR) package, making it suitable for automated assembly processes.

IXD1421AB49ER-G Features

• Low Quiescent Current: With a quiescent current of only 190 µA, the IXD1421AB49ER-G minimizes power consumption, making it ideal for battery-powered and low-power applications.
• High PSRR: The regulator boasts a PSRR of 75dB at 1kHz, effectively reducing noise and ripple from the input supply, ensuring a stable and clean output voltage.
• Dual Fixed Outputs: The device provides two fixed output voltages of 3.3V and 1.8V, each capable of delivering up to 300mA, making it suitable for applications requiring multiple voltage levels.
• Low Dropout Voltage: With a maximum dropout voltage of 0.39V at 300mA, the IXD1421AB49ER-G can maintain regulation even when the input voltage is close to the output voltage, enhancing efficiency.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robust and reliable operation under various conditions.
• Enable Control: The enable feature allows dynamic control of the regulator's operation, providing flexibility in power management.
• Surface-Mount Packaging: The Tape & Reel (TR) package format is ideal for automated assembly processes, ensuring ease of integration into modern manufacturing lines.
• Compliance: The IXD1421AB49ER-G is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards for electronic components.

IXD1421AB49ER-G Applications

The IXD1421AB49ER-G is well-suited for a variety of applications where efficient power management and stable voltage regulation are critical. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and digital cameras, where low power consumption and high efficiency are essential.
• Industrial Equipment: Suitable for industrial control systems, sensors, and IoT devices that require reliable power regulation and low noise.
• Medical Devices: Applicable in medical equipment such as portable monitors and diagnostic tools, where stable power supply and low noise are crucial for accurate measurements.
• Automotive Applications: Useful in automotive electronics, including infotainment systems and advanced driver-assistance systems (ADAS), where high reliability and efficient power management are required.

Conclusion of IXD1421AB49ER-G

The IXD1421AB49ER-G is a versatile and high-performance dual high-speed LDO regulator that offers significant advantages over similar models. Its low quiescent current, high PSRR, and dual fixed output voltages make it an excellent choice for applications requiring efficient power management and stable voltage regulation. The inclusion of advanced protection features and enable control further enhances its reliability and flexibility. With its surface-mount packaging and compliance with environmental and regulatory standards, the IXD1421AB49ER-G is an ideal solution for modern electronic designs.