BU33UC3WG-TR

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

The BU33UC3WG-TR is a fixed-output CMOS LDO regulator manufactured by ROHM Semiconductor. It provides a stable 3.3 V output with a maximum current capacity of 300 mA. The device operates within an input voltage range up to 5.5 V and features a typical dropout voltage of 0.22 V at full load. It includes integrated overcurrent and overtemperature protection mechanisms. The component supports operation across an extended temperature range from -40°C to +85°C and utilizes a compact 5-SSOP surface-mount package for efficient PCB integration.

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

• Integrates overcurrent and thermal shutdown protection circuits for enhanced system reliability
• Features low quiescent current consumption suitable for battery-powered applications
• Includes an enable control pin for power management and system sequencing

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

• Portable electronic devices requiring stable 3.3 V logic supply
• Battery-operated equipment utilizing CMOS LDO regulators
• Embedded systems needing compact power management solutions

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

Verify the obsolete status before procurement, as this part is marked Not Recommended for New Designs (NRND). Confirm availability through authorized distributors, noting that stock may be limited or discontinued. Ensure compatibility with existing designs rather than initiating new projects. Check RoHS compliance documentation for regulatory adherence in target markets.

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

Select this component only for legacy design maintenance or specific replacement scenarios where the 300 mA output and 5-SSOP footprint are required. Evaluate alternative active parts if starting a new design due to the NRND status. Consider input voltage constraints and thermal performance within the specified operating temperature range during selection.

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

This component belongs to the BU33UC3WG series of CMOS LDO regulators from ROHM Semiconductor. It is categorized under PMIC - Power Management ICs. The device is designed for general-purpose voltage regulation tasks in consumer electronics and industrial applications requiring a fixed 3.3 V rail.

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

BU33TD3WG-TR is a confirmed substitute part number listed by the manufacturer.