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BU1JUA3WNVX-TL

BU1JUA3WNVX-TL Description

The BU1JUA3WNVX-TL is a linear voltage regulator designed by Rohm Semiconductor, offering a fixed output voltage of 1.85V with a maximum output current of 300mA. This device is housed in a compact SSON004X1010 package, making it suitable for surface mount applications. It features a maximum input voltage of 5.5V and a dropout voltage of 0.32V at 300mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator includes an enable control feature and provides over-current and over-temperature protection, enhancing its reliability and safety in various electronic systems. With a quiescent current of 90 µA and a power supply rejection ratio (PSRR) of 70dB at 1kHz, the BU1JUA3WNVX-TL delivers high performance and stability. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.

BU1JUA3WNVX-TL Features

• Fixed Output Voltage: Provides a stable 1.85V output, ideal for applications requiring precise voltage regulation.
• High Efficiency: With a dropout voltage of only 0.32V at 300mA, the regulator maintains high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: Consumes only 90 µA of quiescent current, making it suitable for low-power and battery-operated devices.
• High PSRR: Achieves a power supply rejection ratio of 70dB at 1kHz, ensuring minimal noise and ripple in the output voltage.
• Enable Control: Features an enable pin, allowing for dynamic control of the regulator's operation, which is useful in power management applications.
• Protection Features: Includes over-current and over-temperature protection, safeguarding the device and connected components from damage.
• Compact Design: The SSON004X1010 package allows for surface mount assembly, making it ideal for space-constrained designs.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring the device meets stringent environmental standards.

BU1JUA3WNVX-TL Applications

The BU1JUA3WNVX-TL is well-suited for a variety of applications where precise voltage regulation and high efficiency are critical. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables, where low power consumption and small form factor are essential.
• Industrial Equipment: Suitable for industrial applications requiring stable voltage regulation, such as sensors, controllers, and IoT devices.
• Medical Devices: Can be used in medical equipment where reliability and precision are paramount, such as diagnostic tools and portable medical devices.
• Automotive Systems: Applicable in automotive electronics for power management in infotainment systems, onboard computers, and other electronic modules.

Conclusion of BU1JUA3WNVX-TL

The BU1JUA3WNVX-TL from Rohm Semiconductor is a high-performance linear voltage regulator that offers a fixed 1.85V output with a maximum current of 300mA. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications requiring efficient power management and stable voltage regulation. The enable control and comprehensive protection features enhance its versatility and reliability, making it suitable for a wide range of consumer, industrial, medical, and automotive applications. The compact SSON004X1010 package and surface mount design further contribute to its appeal for space-constrained designs. While marked as "Not For New Designs," the BU1JUA3WNVX-TL remains a reliable option for existing projects and legacy systems.