BU18JA2MNVX-CTL

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

The BU18JA2MNVX-CTL is a fixed-output low-dropout regulator manufactured by ROHM Semiconductor, providing a stable 1.8V output with a maximum load current of 200mA. It operates within an input voltage range of 1.7V to 6V and features a typical dropout voltage of 0.71V at full load. The device incorporates a shutdown function, thermal shutdown protection, and overcurrent protection mechanisms. It is qualified under the AEC-Q100 standard for automotive applications and functions reliably across an operating temperature range from -40°C to +125°C.

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

• Integrated shutdown control for power management
• Built-in thermal and overcurrent protection circuits
• Automotive-grade qualification ensuring reliability in harsh environments

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

• Power supply for automotive camera modules
• Power supply for automotive radar systems
• Power supply for automotive instrument clusters

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

Verify the specific suffix CTL against official datasheets to confirm package type and tape-and-reel specifications. Ensure compatibility with AEC-Q100 requirements if deploying in functional safety-critical automotive designs. Cross-reference pinouts and thermal pad configurations with the SSON004R1010 footprint guidelines during PCB layout.

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

Select this component when a compact surface-mount solution is required for automotive electronics demanding low quiescent current and high ripple rejection. The fixed 1.8V output suits digital logic and sensor interfaces. Evaluate the 200mA current limit against peak load demands to ensure adequate headroom without exceeding thermal limits in enclosed spaces.

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

This part belongs to the BUxxJA2MNVX-C series of ultra-small package Full CMOS LDO regulators. The series is characterized by its minimal circuit current consumption and superior noise characteristics, making it suitable for sensitive analog and RF sections within automotive platforms where space constraints are critical.

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

Direct substitutes include other members of the BUxxJA2MNVX-C family with different fixed output voltages, such as BU33JA2MNVX-CTL or BU28JA2MNVX-CTL, provided the system voltage requirement matches. Alternative packages like BU28JA2DG-C offer similar electrical performance but require different footprint adaptations.