BD3574FP-E2

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

The BD3574FP-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 5 V output with a maximum continuous current of 500 mA. The device features a typical dropout voltage of 250 mV and a maximum of 480 mV, ensuring efficient regulation under varying load conditions. It offers a typical power supply rejection ratio (PSRR) of 55 dB for effective ripple suppression. The input bias current is specified at 30 uA. Line regulation is 10 mV, and load regulation is 20 mV. The unit operates within a temperature range of -40°C to +125°C and is housed in a TO-252-3 surface-mount package.

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

• Fixed 5 V output voltage configuration
• Low dropout voltage characteristics for efficiency
• Integrated overcurrent and thermal protection circuits

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

• Portable electronic devices requiring stable 5 V logic supplies
• Battery-powered systems needing efficient linear regulation
• General-purpose power management in consumer electronics

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

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm RoHS compliance documentation matches the specific batch. Check for alternative sourcing options as availability may be limited. Ensure storage conditions adhere to semiconductor handling standards to prevent moisture sensitivity damage prior to assembly.

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

Select this component when a fixed 5 V output is required with moderate current demands up to 500 mA. Consider the TO-252-3 package for adequate thermal dissipation in space-constrained designs. Evaluate the dropout voltage specifications against the minimum input voltage available in the system to ensure proper regulation. Verify that the operating temperature range meets the environmental requirements of the target application.

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

This LDO regulator belongs to the BD3574 series from ROHM Semiconductor, designed for general-purpose power management applications. It falls under the PMIC category, specifically focusing on linear voltage regulation. The TO-252-3 package allows for surface-mount installation, facilitating automated PCB assembly processes while providing sufficient heat sinking capabilities for the specified current levels.

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

Publicly confirmed substitute part numbers are not available in the provided source data.