BU15JA3DG-CTR

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

The BU15JA3DG-CTR is a CMOS LDO regulator for automotive applications manufactured by ROHM Semiconductor. It provides a fixed 1.2V output with a maximum current of 300mA in an SSOP-5 package. The device operates within an input voltage range of 1.7V to 6V and withstands up to 6.5V. Key electrical parameters include a typical ripple rejection of 60dB, a circuit current of 37µA, and an output voltage accuracy of ±2%. It supports a junction temperature range from -40°C to +150°C.

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

• Automotive-grade reliability compliant with AEC-Q100 standards
• Integrated shutdown function for power management control
• Built-in overcurrent and thermal shutdown protection circuits

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

• ADAS sensor power supply
• Automotive radar system power supply
• Secondary side power supply for vehicle ECUs

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

Verify the specific suffix 'CTR' against the manufacturer's official documentation to confirm packaging configuration. Ensure the component meets functional safety requirements if applicable to your design. Cross-reference the datasheet revision date to validate parameter consistency before finalizing procurement orders.

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

Select this component when a low-noise, high-current LDO is required for sensitive automotive sensors. The wide input voltage range accommodates systems operating at 1.8V. Verify that the SSOP-5 package fits the PCB layout constraints and that the thermal performance meets the application's heat dissipation needs under maximum load conditions.

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

This part belongs to the BUxxJA3DG-C series, designed specifically for automotive use. The series offers various fixed output voltages while maintaining consistent physical dimensions and protection features. It addresses the industry demand for smaller footprints and higher efficiency in advanced driver assistance systems.

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

Check for other members of the BUxxJA3DG-C series with different output voltages if the 1.2V specification does not match the target circuit requirements. Ensure any substitute maintains the same SSOP-5 footprint and automotive qualification status.