BD3571HFP-TR

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

The BD3571HFP-TR is a high-voltage Low Dropout (LDO) linear regulator manufactured by ROHM Semiconductor. It features a P-channel DMOS output transistor and provides a fixed 5V output with a maximum current of 0.5A. The device supports an input voltage range from 5.5V to 36V and operates within a temperature range of -40°C to +125°C. Key electrical specifications include a typical dropout voltage of 0.25V at 0.2A, a quiescent current of 30µA, and a ripple rejection ratio of 55dB. It is housed in an HRP-5 package and includes thermal shutdown and overcurrent protection.

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

• Utilizes low-saturation voltage type P-channel DMOS output transistors for efficient regulation.
• Provides high withstand voltage capability suitable for automotive and industrial applications.
• Integrates comprehensive protection mechanisms including thermal shutdown and overcurrent protection.

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

• Automotive electronic systems requiring robust power regulation
• Industrial grade equipment power supplies
• General purpose low dropout voltage regulation circuits

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

Verify the specific suffix and revision level against the official datasheet to ensure compatibility with design requirements. Confirm availability status as certain variants may be subject to discontinuation or end-of-life notices. Cross-reference pinout configurations and thermal characteristics during integration planning.

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

Select this component when a fixed 5V output is required with high input voltage tolerance up to 36V. Consider the HRP-5 package for surface mount applications needing integrated heat dissipation. Evaluate the 0.5A output current limit against load demands and verify that the 55dB ripple rejection meets noise sensitivity requirements.

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

This part belongs to the BD357x series of LDO regulators from ROHM Semiconductor. The series is designed for high-voltage applications, offering reliable performance in demanding environments. The HFP variant specifically denotes the HRP-5 package configuration, distinguishing it from other form factors within the same functional family.

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

BD3571YHFP-M is a documented alternative within the same product line. Verify if the Y-series designation implies updated manufacturing processes or minor parameter variations compared to the standard HFP version before substitution.