BD900N1WG-CTR

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

The BD900N1WG-CTR is a Nano Cap and QuiCur adjustable output Low Dropout (LDO) regulator designed for automotive applications. It features a maximum withstand voltage of 45V, an input voltage range from 4.5V to 42V, and a maximum output current of 150mA. The device offers an output voltage accuracy of ±2.0% and a typical circuit current of 28μA. Key electrical parameters include a typical dropout voltage of 0.50V at 0.1A load, ripple rejection of 70dB, and line/load regulation of 0.1%. It operates within a temperature range of -40°C to +150°C and utilizes SSOP-5 packaging.

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

• Utilizes Nano Cap technology to ensure stable control with output capacitors as low as nanofarad levels.
• Incorporates QuiCur technology to maximize power supply IC response performance.
• Includes comprehensive protection mechanisms such as thermal shutdown, over-current protection, and under-voltage lockout.

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

• Automotive systems requiring direct battery connection
• Power management circuits in vehicle electronics
• Applications demanding high reliability and functional safety support

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

Verify the specific suffix 'CTR' corresponds to the tape and reel packaging configuration as indicated in official documentation. Confirm that the SSOP-5 package variant matches your board layout requirements. Ensure compatibility with automotive environmental standards by checking the AEC-Q100 qualification status and functional safety classification details provided in the manufacturer's datasheet before finalizing procurement.

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

Select this component when designing automotive power supplies that require direct battery interfacing with high voltage tolerance up to 45V. It is suitable for applications needing low quiescent current to minimize standby power consumption. Choose this LDO if the design benefits from small external capacitor sizes due to Nano Cap technology or requires fast transient response capabilities provided by QuiCur architecture.

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

This part belongs to the BD900N1 series of Nano Cap and QuiCur adjustable LDO regulators manufactured by ROHM Semiconductor. These devices are specifically engineered for automotive environments, offering robust performance under varying load conditions and wide input voltage ranges. The series supports functional safety analysis, making it appropriate for critical vehicle subsystems where reliability and precise voltage regulation are paramount.

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

Check for other variants within the BD900N1 series that may offer different package options or slight parameter variations. Verify pin-to-pin compatibility if substituting with similar automotive LDOs from other manufacturers. Ensure any replacement maintains the required 45V withstand voltage and 150mA output current capabilities for the specific application.