BD450M2FP3-CE2

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

The BD450M2FP3-CE2 is a fixed-output Low Dropout (LDO) regulator from ROHM Semiconductor, available in 3.3V or 5.0V configurations. It delivers a maximum output current of 200mA with an input voltage range of 5.5V to 42V and a withstand voltage of 45V. The device features a typical quiescent current of 40µA and a ripple rejection ratio of 65dB. Output voltage accuracy is ±2.0%, with a typical dropout voltage of 160mV at 100mA load. It includes overcurrent protection and thermal shutdown circuits, operates within a junction temperature range of -40°C to +150°C, and is housed in a SOT-223-4 package.

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

• Integrated overcurrent protection and thermal shutdown circuits prevent IC damage during short circuits or overload conditions.
• Low standby current consumption enables significant power savings in battery-connected systems.
• Compatible with ceramic output capacitors for stable operation without requiring specific dielectric types.

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

• Battery-powered automotive electronic systems
• Automotive infotainment and control unit power supplies
• Industrial equipment requiring high-voltage input regulation

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

Verify the specific output voltage variant (3.3V or 5.0V) required for your design, as the base part number covers both options. Confirm the package type matches your PCB layout requirements. Check the latest datasheet for any updates on functional safety classification or recommended external components. Ensure compliance with RoHS directives if applicable to your manufacturing standards.

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

Select this component when a fixed output voltage with high input voltage tolerance is needed. It is suitable for applications requiring low quiescent current to extend battery life. Consider the thermal performance in your enclosure design due to power dissipation limits. Verify that the load current does not exceed the 200mA maximum rating under all operating conditions.

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

This part belongs to the BD450M2-C series of LDO regulators designed for automotive use. The series supports functional safety analysis and is AEC-Q100 qualified. It shares core specifications with other variants like the BD450M2EFJ-CE2 but differs in package style and pinout configuration.

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

The BD450M2WEFJ-CE2 is a pin-compatible alternative in the HTSOP-J8 package offering similar electrical characteristics. Direct substitution requires verifying package dimensions and thermal properties against the existing board layout.