BD450S5WFP-CE2

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

The BD450S5WFP-CE2 is an automotive-grade fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 5 V output with a maximum load current of 500 mA. The device features a typical quiescent current of 38 uA and supports input voltages up to 42 V, with an absolute maximum rating of 45 V. It operates within a temperature range of -40°C to +150°C and includes an enable input for power management. Key electrical characteristics include a typical ripple rejection of 60 dB and a line/load regulation of 10 mV.

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

• Includes an enable input pin for controlling device operation state
• Designed for automotive applications with extended temperature range capability
• Features overcurrent protection and thermal shutdown for internal safety

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

• Automotive electronic systems requiring regulated 5 V power
• Battery-connected circuits needing low quiescent current
• General-purpose power management in vehicle infotainment or control units

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

Verify the specific suffix CE2 matches the required package and tape/reel configuration. Confirm RoHS compliance status through official documentation. Ensure the part number corresponds to the TO-252-5 package variant. Check functional safety classification if automotive certification is required for your design.

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

Select this component when a fixed 5 V output is required with high input voltage tolerance up to 42 V. Consider the 500 mA current limit and 38 uA quiescent current for efficiency requirements. Verify that the TO-252-5 package fits the thermal and spatial constraints of the PCB layout. Compare against other BD450 series variants for different output voltages or packages.

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

This LDO regulator belongs to the BD450 series from ROHM Semiconductor, designed specifically for automotive use. The series offers various output voltages and packages, including HTSOP-J8 and TO-252-5. The BD450S5WFP-CE2 variant specifically targets applications requiring a 5 V fixed output with an enable function and robust automotive-grade reliability.

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

Check for BD450S5WFP-C as a related variant in the same family. Verify if BD450M5WFPJ-C serves as a compatible alternative with similar electrical specifications but potentially different packaging or production lines. Always consult official datasheets for pin compatibility and thermal performance before substitution.