BD450S2WFP3-CE2

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

The BD450S2WFP3-CE2 is a fixed-output low dropout regulator from ROHM Semiconductor, providing a stable 5.0V output with a maximum current capacity of 200mA. It features a quiescent current of 40uA and supports an input voltage range from 5.8V to 42V, with a maximum withstand voltage of 45V. The device offers high accuracy with ±2% output voltage tolerance and includes built-in overcurrent protection and thermal shutdown circuits for enhanced reliability.

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

• Integrates overcurrent protection and thermal shutdown mechanisms to safeguard against short circuits and overload conditions.
• Supports ceramic capacitors for output phase compensation, simplifying external component requirements.
• Features an enable input control that allows the output to be turned on or off via logic signals applied to the CTL terminal.

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

• Automotive electronic systems requiring direct battery connection
• Low standby current power management applications
• Fixed voltage regulation in automotive-grade environments

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

Verify the specific suffix CE2 matches the required packaging configuration before ordering. Confirm that the HTSOP-J8 package variant aligns with your PCB footprint design. Ensure the 5.0V fixed output specification meets the target circuit requirements. Check for any functional safety documentation if automotive certification is mandatory for the application.

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

Select this component when a 5.0V fixed output is required with a 200mA load capability. It is suitable for designs needing low quiescent current to minimize battery drain. Consider the 45V absolute maximum rating for robustness against voltage transients. Verify that the SOT-223-4 package fits the available board space constraints.

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

This part belongs to the BD4xxS2-C series of low quiescent regulators designed for automotive use. The series provides fixed output voltages of 3.3V or 5.0V with high precision. These devices are engineered to support functional safety analysis and are intended for applications where direct battery connection and low power consumption are critical priorities.

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

The BD450M2WEFJ-C is a related model within the same family offering similar electrical characteristics but in a different package configuration. Designers should verify pinout compatibility and thermal performance differences when considering alternative packages within the BD4xxS2-C series.