BH33MA3WHFV-TR

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

The BH33MA3WHFV-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 of 2.5 V to 5.5 V and features a typical dropout voltage of 60 mV at 100 mA load. Key electrical parameters include a ripple rejection ratio of 60 dB, line regulation of 2 mV, and load regulation of 18 mV. Quiescent current is specified at 95 µA. The unit is housed in a compact 6-HVSOF surface-mount package.

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

• Integrates comprehensive protection mechanisms including thermal shutdown and over-current protection for enhanced circuit reliability.
• Delivers high precision with ±1% output voltage accuracy across the operating temperature range.
• Capable of driving small ceramic capacitors, facilitating simplified board layout and reduced component count.

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

• Portable battery-powered electronic devices requiring efficient power management
• Embedded systems utilizing low-noise linear regulation for sensitive analog circuits
• General-purpose power supply stages in consumer electronics

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

Verify component authenticity through authorized distribution channels due to the NRND status. Confirm that the specific HVSOF-6 package variant matches design requirements. Ensure compliance with RoHS3 specifications if environmental regulations apply to the final assembly. Review datasheet revisions for any updates regarding handling or storage conditions prior to integration.

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

Select this component when a fixed 3.3 V rail is required with moderate current demands up to 300 mA. The low quiescent current makes it suitable for battery-operated applications where standby power consumption is critical. Verify that the input voltage remains within the 2.5 V to 5.5 V window to ensure proper regulation and minimal dropout effects under varying load conditions.

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

This part belongs to the BH33MA3 series of single-channel CMOS LDO regulators from ROHM. It shares architectural similarities with other variants in the family, such as different output voltages or current ratings, but is distinct in its specific 3.3 V fixed output configuration. The series is characterized by high accuracy and compatibility with small ceramic output capacitors.

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

BH33RB1WGUT-E2 is listed as a substitute option. Note that this alternative offers a lower output current of 150 mA and utilizes a VCSP60N1-4 package, which differs significantly from the original HVSOF-6 footprint. Electrical characteristics such as ripple rejection and dropout voltage also vary between these two components.