BH29FB1WG-TR

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

The BH29FB1WG-TR is a standard CMOS linear voltage regulator manufactured by Rohm Semiconductor. It provides a fixed positive output of 2.9V with a maximum output current of 150mA. The device supports a maximum input voltage of 5.5V and features a typical dropout voltage of 0.25V at 100mA load. Key electrical specifications include a quiescent current of 70 µA and a power supply rejection ratio (PSRR) of 70dB at 1kHz. It operates within a temperature range of -40°C to 85°C and includes overcurrent and overtemperature protection functions.

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

• Fixed 2.9V output voltage for stable power supply applications
• Integrated overcurrent and overtemperature protection mechanisms
• Low quiescent current consumption for energy efficiency
• High power supply rejection ratio for noise reduction

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

• Portable electronic devices requiring low-power regulation
• Battery-operated systems needing stable voltage rails
• Embedded circuits with strict thermal management requirements
• General-purpose linear regulation in consumer electronics

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

Verify the component status as Not Recommended for New Designs (NRND). Confirm the package type matches the design requirement, as this specific model uses a 5-SSOP package. Ensure compatibility with existing PCB footprints before procurement. Check for RoHS compliance status if environmental regulations apply to the final assembly.

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

Select this component when a fixed 2.9V output is required with moderate current demands up to 150mA. Consider the 5.5V maximum input limit and the specific dropout characteristics at varying loads. Evaluate the thermal performance within the -40°C to 85°C operating range. Compare against other LDOs if lower quiescent current or different package options are necessary for the application.

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

This part belongs to Rohm's standard CMOS LDO regulator series. It is designed for general-purpose power management tasks where simplicity and reliability are prioritized. The BH29FB1 family offers various output voltages and packages, with the WG suffix indicating the 5-SSOP packaging option. It serves as a cost-effective solution for basic voltage regulation needs in commercial electronics.

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

BH29FB1WHFV-TR is a documented substitute variant from the same manufacturer family, offering similar electrical characteristics but potentially differing in package or specific manufacturing details.