BU12JA2MNVX-CTL

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The BU12JA2MNVX-CTL is a fixed-output Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 1.25 V with a maximum output current of 200 mA. The device operates within an input voltage range of 1.7 V to 6 V and features a typical ripple rejection ratio of 70 dB at 1 kHz. It is housed in a compact SSON004R1010-4 surface-mount package. The regulator supports a wide operating temperature range from -40°C to +125°C and holds AEC-Q100 qualification for automotive applications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• Full CMOS architecture designed for low power consumption
• Integrated protection functions including thermal shutdown and over-current protection

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive camera power supplies
• Automotive radar system power supplies
• Automotive instrument cluster power supplies

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix against official documentation, as ordering codes may indicate variations in packaging or tape-and-reel specifications. Confirm that the requested component matches the exact pinout and electrical characteristics defined in the manufacturer's datasheet for the BU12JA2 series. Ensure compliance with RoHS directives and functional safety support requirements if applicable to the target design.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable 1.25 V rail is required for sensitive automotive electronics. The low quiescent current makes it suitable for battery-powered systems where efficiency is critical. The small SSON004R1010-4 footprint allows for dense PCB layouts. Designers should ensure the input voltage remains within the specified 1.7 V to 6 V window to maintain regulation and prevent damage.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the BUxxJA2MNVX-C series of ultra-small Full CMOS LDO regulators. The series is characterized by its minimal circuit current and excellent noise performance, specifically engineered for automotive environments. It shares common architectural traits with other variants in the family, differing primarily in fixed output voltage settings while maintaining consistent protection features and package dimensions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include other parts from the BU12JA2 series with compatible suffixes, such as BU12JA2DG-CTR, which offers similar electrical performance but utilizes a different SSOP5 package. Verify pin compatibility and thermal dissipation requirements before swapping packages.