BD90C0AHFP-CTR

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

The BD90C0AHFP-CTR is a low-saturation linear regulator (LDO) manufactured by ROHM Semiconductor, designed for automotive applications. It provides a maximum output current of 1A with a withstand voltage of 35V. The input voltage range spans from 10V to 26.5V. The device features a fixed output voltage with an accuracy of ±1.0% at 25°C. Typical dropout voltage is 0.3V at 500mA output. Ripple rejection is 50dB. Circuit current is 0.5mA. It includes thermal shutdown and over-current protection. The operating temperature range is -40°C to 125°C. It is AEC-Q100 qualified and housed in an HRP5 package.

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

• Integrated over-current protection prevents IC damage during output short circuits.
• Thermal shutdown circuit protects against thermal destruction under overload conditions.
• Low saturation design ensures stable regulation with minimal voltage drop.
• Automotive-grade qualification supports functional safety analysis requirements.

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

• Automotive interior power supply systems
• Automotive exterior lighting control circuits
• Electronic control unit (ECU) power distribution
• Infotainment system voltage regulation

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

Verify the specific suffix 'CTR' corresponds to the taping packaging format with a quantity of 2000 units per reel as documented. Confirm that the HRP5 package matches the required footprint for the PCB layout. Ensure the fixed output voltage variant aligns with the target circuit design, as the series offers multiple fixed voltage options. Check for any specific automotive quality certifications or functional safety documentation if required for the final application validation.

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

Select this component when a 1A LDO with high withstand voltage up to 35V is required for automotive environments. The low dropout characteristic makes it suitable for applications where input-output voltage differential is minimal. The integrated protection features reduce the need for external protective components. Consider the HRP5 package size constraints and the -40°C to 125°C operating range compatibility with the intended thermal environment.

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

This part belongs to the BD90C series of low-saturation regulators from ROHM. The series is characterized by its robustness in automotive applications, offering high reliability and compact packaging. The HRP5 package is a standard surface-mount option for this family, balancing thermal performance and board space efficiency. The CTR suffix indicates the tape-and-reel delivery method for automated assembly.

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

Direct substitutes within the same series include other BD90C variants with different fixed output voltages but identical electrical characteristics and package. Cross-reference with BD90C0AFP-CE2 for similar performance in a TO-252-3 package if pinout compatibility allows. Verify thermal dissipation requirements when moving between HRP5 and larger packages.