BU1CUA3WNVX-TL

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

The BU1CUA3WNVX-TL is a single-output low-dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 1.8 V with a maximum output current capability of 200 mA. The device operates within an input voltage range of 1.7 V to 5.5 V and features a typical dropout voltage of 220 mV at full load. It is housed in a compact DFN-4 surface-mount package, suitable for space-constrained designs. The regulator supports an operating temperature range from -40°C to +85°C and includes internal protection mechanisms such as overcurrent protection and thermal shutdown to ensure reliable operation under varying load conditions.

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

• Fixed 1.8 V output voltage for stable power supply applications
• Compact DFN-4 surface-mount package design
• Integrated overcurrent and thermal protection circuits

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

• Portable electronic devices requiring low noise power regulation
• Battery-powered systems needing efficient voltage conversion
• Embedded control circuits in consumer electronics

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

Verify the component status before procurement, as availability may vary. Confirm the specific suffix matches the required output voltage and package type. Check for RoHS compliance documentation if environmental regulations apply to your project. Ensure the supplier provides genuine parts with traceable origin to avoid counterfeit risks. Review the latest datasheet for any updates on recommended operating conditions.

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

Select this LDO when a fixed 1.8 V output is required with moderate current demands up to 200 mA. Consider the DFN-4 package for PCB space optimization. Evaluate the dropout voltage characteristics against your minimum input voltage requirements. Compare performance metrics with alternative regulators in the same series if different output voltages or higher current capabilities are needed.

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

This component belongs to the BUxxUA3WNVX series of LDO regulators from ROHM Semiconductor. The series offers various fixed output voltages tailored for different application needs while maintaining consistent package and protection features. These regulators are designed for general-purpose power management in portable and industrial electronics.

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

Direct substitutes include other variants within the BUxxUA3WNVX series with compatible output voltages and pin configurations. Verify electrical specifications and package dimensions before substitution. Consult official cross-reference lists for approved replacements.