BD42754FPJ-CE2

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

The BD42754FPJ-CE2 is a low-dropout regulator with an integrated voltage detector, manufactured by ROHM Semiconductor. It features a maximum withstand voltage of 45V and a minimum input voltage of 5.5V. The device provides a fixed 5V output with ±2.0% accuracy and supports a maximum output current of 0.5A. Quiescent current is 0.075mA, with a ripple rejection ratio of 60dB and load regulation of 10mV. It includes thermal shutdown, over-current protection, and under-voltage lockout. The component operates within a temperature range of -40°C to 125°C and is housed in a TO252-J5 package.

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

• Integrates a single-channel reset circuit that monitors the output voltage and generates a reset signal when the output drops below the typical threshold of 4.62V.
• Features adjustable reset delay timing through the connection of an external capacitor to manage system startup sequences.
• Includes comprehensive protection mechanisms such as thermal shutdown, over-current protection, and under-voltage lockout for reliable operation.

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

• Automotive electronic systems requiring functional safety support
• Battery-connected systems designed to minimize standby current consumption
• Embedded circuits needing stable 5V power supply with voltage monitoring

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

Verify the specific suffix CE2 against the manufacturer's latest datasheet to confirm pinout and electrical specifications match your design requirements. Check for any Product Change Notices (PCN) that may update mechanical or packaging details without altering electrical characteristics. Ensure the TO252-J5 package footprint aligns with your PCB layout guidelines before finalizing procurement.

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

Select this component for applications requiring high input voltage tolerance up to 45V with a fixed 5V output. It is suitable for designs prioritizing low quiescent current and integrated voltage supervision. Consider the TO252-J5 package size and thermal performance constraints. Verify that the required reset delay adjustment capability via external capacitance fits your system timing needs.

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

This part belongs to the BD4275 series of LDO regulators from ROHM Semiconductor, specifically designed for automotive and industrial environments. The series emphasizes high耐压 capabilities and low standby current consumption. The BD42754 variant integrates a voltage detector, distinguishing it from standard LDOs in the same family by providing built-in system reset functionality.

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

Check for BD42754FPJ-C as a potential alternative, noting that PCNs may indicate updates to specifications while maintaining electrical equivalence. Verify package compatibility and ensure any functional safety certifications remain valid for the substitute part.