BD733L2FP2-CE2

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

The BD733L2FP2-CE2 is a low dropout (LDO) voltage regulator manufactured by ROHM Semiconductor, designed for automotive applications with AEC-Q100 qualification. It features a fixed 3.3 V output and supports up to 200 mA of output current. The device operates within an input voltage range of 4.37 V to 45 V, utilizing a TO-252-3 package. Key electrical specifications include a typical quiescent current of 6 µA, a ripple rejection ratio of 63 dB, and a maximum dropout voltage of 1 V. It functions reliably across a temperature range from -40 °C to +125 °C.

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

• Integrated overcurrent protection and thermal shutdown circuits to prevent IC damage during short circuits or overload conditions.
• Capable of using ceramic capacitors for output phase compensation, simplifying circuit design.
• Optimized for low standby current consumption in systems directly connected to battery supplies.

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

• Automotive electronic systems requiring high withstand voltage and functional safety support
• Battery-connected systems needing reduced standby current consumption
• Low dropout regulation for sensitive automotive loads

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

Verify the exact part number suffix against official ROHM documentation, as variations such as BD733L2FP-C or BD733L2FP-CE2 exist within the same series. Confirm that the specific suffix corresponds to the required packaging format and automotive qualification status before procurement. Ensure compatibility with the intended application's voltage and current requirements.

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

Select this component when a fixed 3.3 V output is required with a maximum load current of 200 mA. It is suitable for designs needing high input voltage tolerance up to 45 V and low quiescent current. Consider the TO-252-3 package for surface mount applications. Verify that the thermal performance meets the system's dissipation requirements under maximum load conditions.

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

This component belongs to the BD7xxL2EFJ/FP-C series of ultra-low standby current LDO regulators. These devices are engineered for automotive use, offering 50 V withstand voltage and ±2% output accuracy. The series integrates protection features and supports ceramic output capacitors, making them robust choices for demanding automotive power management environments.

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

The BD733L2FP-C is a related variant within the same series. Verify if the specific suffix change impacts packaging or qualification. No other direct substitute part numbers are confirmed in the provided data.