BD90C0AWHFP-CTR

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

The BD90C0AWHFP-CTR is a low-saturation LDO regulator from ROHM Semiconductor, designed for automotive applications. It features a maximum withstand voltage of 35V and delivers up to 1A output current. The device operates within an input voltage range of 9V to 26.5V, with a fixed output accuracy of ±1.0% at 25°C. Key electrical parameters include a typical dropout voltage of 0.3V at 500mA, a circuit current of 0.5mA, and ripple rejection of 50dB. It complies with AEC-Q100 standards and functions in temperatures from -40°C to 125°C.

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

• Integrated overcurrent protection prevents IC damage during output short circuits.
• Thermal shutdown circuitry protects the device from 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

• Power supply systems for automotive electronic control units
• Voltage regulation for battery-connected automotive devices
• General power management in high-voltage automotive environments

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

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure the component meets AEC-Q100 requirements for your target application. Confirm RoHS compliance status prior to ordering. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Validate that the operating temperature range aligns with your system's environmental constraints.

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

Select this component when a robust, automotive-grade LDO with high voltage tolerance is required. The 35V withstand voltage accommodates load dump scenarios common in automotive networks. The 1A output capability suits moderate current loads without excessive heat dissipation. Consider the fixed output accuracy if precise voltage regulation is critical. Evaluate the thermal performance relative to your PCB layout and ambient conditions.

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

This part belongs to the BD90C series of low-saturation regulators developed by ROHM Semiconductor. The series is specifically engineered for automotive use, offering high reliability and safety features. The HRP5 package provides a compact surface-mount solution suitable for space-constrained automotive electronics. The product line emphasizes durability under harsh electrical conditions.

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

Check for direct substitutes within the BD90C family with compatible pinouts and electrical characteristics. Verify that alternative parts meet the same AEC-Q100 grade and temperature range. Ensure replacement components offer equal or superior overcurrent and thermal protection capabilities. Confirm package compatibility before substituting.