BH33RB1WGUT-E2

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

The BH33RB1WGUT-E2 is a CMOS LDO voltage regulator manufactured by ROHM Semiconductor, designed for low-power applications. It provides a fixed output voltage of 3.3 V with a maximum output current of 150 mA. The device features a typical dropout voltage of 100 mV and a maximum of 150 mV at rated load. It offers high power supply rejection ratio (PSRR) of 63 dB and precise voltage regulation accuracy of 1%. Operating within a temperature range of -40°C to +85°C, it utilizes the VCSP60N1-4 package for surface mount installation.

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

• CMOS architecture ensures low quiescent current consumption for energy efficiency.
• Integrated protection mechanisms include thermal shutdown and over-current protection.
• High ripple rejection capability supports stable operation in noisy environments.

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

• Portable electronic devices requiring compact power management solutions
• Battery-operated systems needing efficient linear regulation
• Embedded circuits utilizing small ceramic capacitors

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

This component carries an NRND status, indicating it is not recommended for new designs. While production may continue to support existing customers, sourcing should be verified against current availability lists. Engineers planning new implementations must evaluate alternative successors to ensure long-term supply chain stability and compliance with future design requirements.

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

Select this regulator when a fixed 3.3 V output is required with minimal footprint constraints due to its VCSP60N1-4 package. It is suitable for applications prioritizing low noise and moderate current demands up to 150 mA. Designers must account for the specific thermal characteristics and ensure input voltages remain within the specified operational limits to maintain regulation accuracy.

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

As part of the BH33RB1WGUT series, this LDO regulator represents ROHM's focus on miniaturized power management ICs. The series targets consumer electronics where space saving and low power consumption are critical. The specific model integrates standard safety features while maintaining a small physical profile suitable for dense PCB layouts.

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

Due to the NRND status, engineers should identify direct functional equivalents or next-generation replacements from the same manufacturer family that offer updated supply guarantees. Verify pin compatibility and electrical specifications before transitioning to avoid redesign efforts.