BU33JA2DG-CTR

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

The BU33JA2DG-CTR is a fixed-output CMOS LDO regulator manufactured by Rohm Semiconductor, designed for automotive applications. It provides a stable 3.3V output with a maximum current of 300mA. The device features a typical ripple rejection ratio of 60dB and operates within an extended temperature range from -40°C to +150°C. It is housed in an SSOP-5 package and meets AEC-Q100 qualification standards.

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

• CMOS technology ensures low power consumption suitable for battery-operated systems
• Built-in overcurrent protection safeguards against short circuits and overload conditions
• Thermal shutdown circuitry prevents damage during excessive heat generation
• High ripple rejection capability maintains signal integrity in noisy environments

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

• Automotive infotainment system power regulation
• Sensor node voltage stabilization in vehicle networks
• ECU peripheral circuit power supply conditioning

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

Verify the specific suffix CTR indicates cut-tape packaging when sourcing. Confirm AEC-Q100 certification status for automotive compliance requirements. Ensure the SSOP-5 footprint matches the target PCB design constraints before finalizing procurement orders.

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

Select this component when a fixed 3.3V rail is required with high thermal endurance up to 150°C. The 300mA output capacity supports moderate load currents typical in automotive sensors. Verify input voltage stays within the 6.5V withstand limit to ensure reliable operation under varying automotive electrical conditions.

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

This part belongs to the BUxxJA2DG-C series of low-dropout regulators optimized for automotive use. The JA2 designation typically denotes specific performance characteristics such as output current and voltage accuracy within the broader product family. It serves as a robust solution for power management in harsh operating environments.

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

Check for BU33JA2DG-C as a potential variant with identical electrical specifications but different packaging or tape configuration. Ensure any substitute maintains the same SSOP-5 pinout and thermal performance ratings to guarantee compatibility.