BH29RB1WGUT-E2

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

The BH29RB1WGUT-E2 is a single-output CMOS LDO voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 3.3 V with a maximum continuous output current of 150 mA. The device operates within an input voltage range of 2.5 V to 5.5 V and features a typical dropout voltage of 250 mV at 100 mA load. Key electrical parameters include a ripple rejection ratio of 80 dB, line regulation of 6 mV, and load regulation of 6 mV. It incorporates comprehensive protection mechanisms including thermal shutdown, over-current protection, and a shutdown function. The component is housed in an HVSOF-5 surface-mount package and supports an operating temperature range from -40°C to +85°C.

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

• Integrates multiple protection circuits including thermal shutdown, over-current protection, and a dedicated shutdown control pin for power management.

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

• Portable electronic devices requiring low-noise power supply
• Battery-powered equipment utilizing CMOS LDO regulators
• Embedded systems needing stable 3.3V logic levels

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

Verify the specific suffix E2 against official ROHM documentation to confirm RoHS compliance and lead-free status. Confirm that the HVSOF-5 package dimensions match your PCB footprint requirements. Check the current lifecycle status as this component may be designated as Not Recommended for New Designs (NRND). Ensure compatibility with your manufacturing process for small outline packages.

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

Select this component when a fixed 3.3V output is required with moderate current capability up to 150 mA. It is suitable for applications prioritizing integrated protection features such as thermal and over-current limits. Consider the shutdown functionality if system power management requires external control of the regulator state. Verify that the input voltage range of 2.5V to 5.5V aligns with your system's power rails.

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

This part belongs to the BH29RB1 series of single-channel CMOS LDO regulators from ROHM Semiconductor. These regulators are designed for low-power applications where stability and protection are critical. The series typically offers fixed output voltages and utilizes compact surface-mount packaging to facilitate space-constrained designs in consumer and industrial electronics.

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

Consult official ROHM documentation for direct replacements. The datasheet indicates that similar level parts with the same package should be verified for pinout and electrical equivalence before substitution.