BH33PB1WHFV-TR

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

The BH33PB1WHFV-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 150 mA. The device operates within an input voltage range of 2.5 V to 5.5 V and features a typical power supply rejection ratio (PSRR) of 60 dB at 1 kHz. Key electrical characteristics include a maximum dropout voltage of 0.6 V at full load, a quiescent current of 4 µA, and a maximum supply current of 40 µA. It incorporates internal protection mechanisms including overcurrent, thermal shutdown, and soft start functionality.

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

• Integrates enable control for power management optimization
• Includes comprehensive protection against overcurrent and thermal overload conditions
• Features soft start capability to limit inrush current during initialization

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

• Battery-powered portable electronic devices requiring low standby current
• Embedded systems utilizing 3.3 V logic levels
• Noise-sensitive analog circuits requiring clean power rails

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

Verify component authenticity through authorized channels due to the Not Recommended for New Design (NRND) status. Confirm package integrity upon receipt as the HVSOF-5 form factor requires precise handling. Cross-reference datasheet revisions to ensure compatibility with existing design constraints before final procurement decisions.

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

Select this component when low quiescent current is critical for battery life extension. The 3.3 V fixed output suits standard digital logic interfaces. Ensure input voltage remains above 2.5 V for proper regulation. Evaluate thermal dissipation requirements given the 410 mW power dissipation limit in the small surface-mount package.

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

This part belongs to the BH series of CMOS LDO regulators from ROHM Semiconductor. It shares the HVSOF-5 package footprint with other variants in the family but differs in output voltage and specific protection features. The series targets applications demanding high precision and low noise performance in compact designs.

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

BU33TD2WNVX-TL is documented as a similar replacement option within the manufacturer's portfolio.