BU1BUA3WNVX-TL

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

The BU1BUA3WNVX-TL is a single-output low-dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 1.15 V with a maximum output current capability of 300 mA. The device operates within an input voltage range of 1.7 V to 5.5 V and features a typical dropout voltage of 280 mV at full load. Designed for surface-mount applications, it utilizes a compact DFN-4 package. The component supports an operating temperature range from -40°C to +85°C and is classified as Not Recommended for New Designs (NRND).

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

• Single-output fixed voltage regulation architecture
• Compact surface-mount DFN-4 package design
• Low dropout performance for efficient power management

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

• Portable electronic devices requiring stable low-voltage rails
• Battery-powered systems needing efficient linear regulation
• Embedded circuits utilizing single-supply operation

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

Verify the NRND status before integration, as this indicates the component is not recommended for new designs. Confirm package compatibility with existing PCB footprints. Check for end-of-life notices or obsolescence warnings from the manufacturer. Ensure supply chain stability due to potential discontinuation risks associated with non-recommended parts.

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

Select this part only if the specific 1.15 V output matches system requirements exactly. Consider the 300 mA current limit against peak load demands. Evaluate the DFN-4 thermal characteristics for adequate heat dissipation. Review alternative available LDOs if long-term availability is critical for the product lifecycle.

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

This component belongs to the BUxAUA3WNVX series of low-dropout regulators from ROHM Semiconductor. These devices are designed for general-purpose power management in portable electronics. The series offers various fixed output voltages to suit different logic levels and sensor requirements within compact form factors.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official ROHM resources for direct replacements or functional equivalents.