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BU28JA2DG-CTR

BU28JA2DG-CTR Description

The BU28JA2DG-CTR is a high-performance linear voltage regulator designed by ROHM Semiconductor. This device is specifically tailored for automotive applications, ensuring robustness and reliability in demanding environments. The regulator features a fixed output voltage of2.8V and can deliver up to 200mA of output current. It operates with an input voltage range up to 6V, making it suitable for a variety of power supply configurations. The low dropout voltage of 0.155V at 100mA ensures efficient power conversion even at low input-to-output voltage differentials. The BU28JA2DG-CTR also boasts a quiescent current of just 80µA, contributing to its energy efficiency. With a Power Supply Rejection Ratio (PSRR) of 68dB at 1kHz, the regulator effectively suppresses noise from the input supply, ensuring clean and stable output voltage. The device is housed in a 5-lead small outline package (5SSOP) and is available in tape and reel packaging, facilitating automated assembly processes.

BU28JA2DG-CTR Features

• Fixed Output Voltage: 2.8V, providing a stable power supply for sensitive electronics.
• High Output Current: Capable of delivering up to 200mA, suitable for driving multiple low-power devices.
• Low Dropout Voltage: 0.155V at 100mA, ensuring high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: 80µA, minimizing power consumption during standby or low-load conditions.
• High PSRR: 68dB at 1kHz, effectively reducing input noise and ripple.
• Enable Control Feature: Allows dynamic control of the regulator’s operation, enhancing system flexibility.
• Protection Features: Overcurrent, overtemperature, and reverse polarity protection ensure robustness and reliability.
• Automotive Grade: Certified for automotive applications, meeting stringent quality and reliability standards.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory compliance.
• Surface Mount: Suitable for automated assembly processes, enhancing manufacturing efficiency.

BU28JA2DG-CTR Applications

The BU28JA2DG-CTR is ideally suited for automotive applications where reliability and efficiency are paramount. Its low dropout voltage and high PSRR make it particularly suitable for powering sensitive electronic control units (ECUs) and microcontrollers. The regulator’s ability to handle up to 200mA of current makes it ideal for applications requiring multiple low-power devices. Its enable control feature allows for dynamic power management, enhancing system flexibility and efficiency. The device’s robust protection features ensure reliable operation in harsh automotive environments, making it a preferred choice for automotive infotainment systems, advanced driver-assistance systems (ADAS), and other critical automotive electronics.

Conclusion of BU28JA2DG-CTR

The BU28JA2DG-CTR from ROHM Semiconductor is a versatile and reliable linear voltage regulator designed for automotive applications. Its combination of a fixed 2.8V output, high output current capability, and low dropout voltage ensures efficient and stable power delivery. The device’s low quiescent current and high PSRR contribute to its energy efficiency and noise suppression capabilities. With its comprehensive protection features and automotive-grade certification, the BU28JA2DG-CTR offers a robust solution for powering sensitive electronics in demanding environments. Its surface mount package and tape and reel availability further enhance its suitability for modern manufacturing processes. For engineers seeking a reliable and efficient power solution for automotive applications, the BU28JA2DG-CTR is an excellent choice.