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BU18JA3DG-CTR

BU18JA3DG-CTR Description

The BU18JA3DG-CTR is a high-performance CMOS Low Dropout (LDO) regulator designed by ROHM Semiconductor, a leading manufacturer in the power management integrated circuit (PMIC) industry. This regulator is specifically engineered to provide a stable 1.8V output voltage with a maximum input voltage of 6V and an output current capability of 300mA. The BU18JA3DG-CTR is ideal for applications requiring high efficiency and low power consumption, making it a versatile component for modern electronic designs.

BU18JA3DG-CTR Features

• Fixed Output Voltage: The BU18JA3DG-CTR maintains a fixed output voltage of 1.8V, ensuring consistent power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.33V at 300mA, this regulator can operate efficiently even when the input voltage is close to the output voltage, enhancing overall system efficiency.
• Low Quiescent Current: The regulator features a low quiescent current of 80 µA, minimizing power consumption during standby or low-load conditions.
• High PSRR: The Power Supply Rejection Ratio (PSRR) of 60dB at 1kHz ensures that the regulator can effectively filter out noise from the input power supply, providing a clean and stable output voltage.
• Enable Control Feature: The regulator includes an enable control feature, allowing users to turn the regulator on and off as needed, which is particularly useful for power-saving applications.
• Protection Features: The BU18JA3DG-CTR incorporates over-current, over-temperature, and short-circuit protection features, safeguarding the regulator and connected components from potential damage.
• Surface Mount Packaging: The regulator is available in a surface mount package, making it suitable for compact and high-density PCB designs.
• Compliance and Status: The BU18JA3DG-CTR is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has an ECCN classification of EAR99 and an HTSUS code of 8542.39.0001, facilitating international trade and regulatory compliance.

BU18JA3DG-CTR Applications

The BU18JA3DG-CTR is well-suited for a variety of applications where stable and efficient power supply is critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive components in devices such as smartphones, tablets, and portable gaming consoles, where low power consumption and high efficiency are paramount.
• Industrial Equipment: Suitable for industrial applications requiring reliable power supply, such as sensors, controllers, and embedded systems.
• Medical Devices: The regulator's low dropout voltage and high PSRR make it suitable for medical devices where stable power supply and low noise are essential for accurate measurements and operations.
• Automotive Electronics: The robust protection features and high efficiency make the BU18JA3DG-CTR a reliable choice for automotive applications, including infotainment systems and electronic control units.

Conclusion of BU18JA3DG-CTR

The BU18JA3DG-CTR stands out as a reliable and efficient CMOS LDO regulator, offering a unique combination of low dropout voltage, low quiescent current, and high PSRR. Its enable control feature and comprehensive protection mechanisms provide additional flexibility and reliability, making it a superior choice over similar models. With its compact surface mount packaging and compliance with industry standards, the BU18JA3DG-CTR is an excellent solution for a wide range of applications, from consumer electronics to industrial and medical devices.