BU18UB3WG-TR

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

The BU18UB3WG-TR is a single-output low-dropout (LDO) linear regulator manufactured by ROHM Semiconductor. It belongs to the BUxxUB3WG series, which features high-performance FULL CMOS architecture with a 360-mA output capability. The device operates within an input voltage range supporting outputs from 1.0V to 2.6V, maintaining an accuracy of ±1.0% or ±25mV. It consumes a low circuit current of 50μA and functions across a temperature range of -40°C to +85°C. The component is housed in a compact SSOP5 package measuring 2.9 mm × 2.8 mm × 1.25 mm.

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

• High-accuracy detection with low current consumption
• Compatible with small ceramic capacitors for input and output
• Built-in output discharge circuit for safe shutdown
• Integrated over-current protection and thermal shutdown circuits

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

• Power supplies for logic ICs
• Power supplies for RF modules
• Power supplies for camera modules
• Battery-powered portable equipment

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

Verify the supply status before procurement as this specific part number may be marked as not recommended for new designs. Confirm that the SSOP5 package dimensions align with the PCB footprint requirements. Ensure compatibility with the required output voltage range between 1.0V and 2.6V. Check if the 360-mA output current meets the load demands. Validate that the operating temperature range suits the environmental conditions.

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

Select this regulator when a compact SSOP5 package is required for space-constrained designs. Choose this model for applications needing low quiescent current to extend battery life in portable devices. Consider this part for systems requiring built-in protection against over-current and thermal overload. Verify that the compatible capacitor values meet the stability requirements specified in the datasheet.

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

This component is part of the BUxxUB3WG series from ROHM Semiconductor, designed specifically for portable equipment. The series utilizes FULL CMOS technology to achieve high performance in a versatile package. It is engineered to provide stable power delivery for sensitive analog and digital circuits while minimizing power loss.

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

Consult official documentation for direct pin-compatible replacements if this part is obsolete. Verify electrical specifications match exactly when substituting with similar LDO regulators.