BD900M5HFP-CTR

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

The BD900M5HFP-CTR is a linear voltage regulator IC from ROHM Semiconductor, classified as an LDO (Low Dropout) regulator. It provides a fixed positive output voltage of 5.0V with a maximum output current of 500mA. The device operates within an input voltage range of 3V to 42V and withstands up to 45V. Key electrical parameters include a typical dropout voltage of 740mV at full load, a reference voltage of 650mV, and a load regulation of 0.1%. It features a shutdown function and thermal protection. The component is housed in an HRP-5 surface-mount package and is designed for automotive applications, supporting functional safety analysis.

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

• Utilizes QuiCur topology for high-speed load response and low quiescent current operation
• Integrated overcurrent protection and thermal shutdown circuits to prevent damage during fault conditions
• Designed for direct battery connection in automotive environments with wide input voltage tolerance

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

• Automotive infotainment systems requiring stable 5V power rails
• Electronic control units (ECUs) needing low-noise power supply
• Sensor modules in vehicle networks demanding precise voltage regulation

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

Verify the specific suffix 'CTR' indicates cut-tape packaging when ordering. Confirm RoHS compliance status through official datasheets or manufacturer declarations. Ensure the HRP-5 package footprint matches your PCB design constraints. Check for AEC-Q100 qualification if automotive reliability standards are required. Validate functional safety classification against your system's safety integrity level requirements.

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

Select this component when a fixed 5V output is required with high input voltage capability up to 45V. It is suitable for designs prioritizing low quiescent current and fast transient response. Consider the HRP-5 package size for space-constrained layouts. Evaluate thermal performance based on the expected load current and ambient temperature conditions. Compare dropout voltage specifications against minimum input voltage availability in the target application.

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

This part belongs to the BD9xxM5-C series of automotive LDO regulators. These devices are engineered for robustness in harsh automotive electrical environments. The series emphasizes low power consumption and high precision voltage regulation. They support functional safety goals through built-in protection mechanisms. The HRP-5 package offers a compact solution for modern electronic control units.

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

Check for compatible parts within the same BD9xxM5 family with different output voltages or packages. Verify pin-to-pin compatibility before substitution. Ensure replacement components meet the same AEC-Q100 and functional safety standards. Confirm that thermal characteristics and package dimensions are identical to avoid PCB redesign.