BH28RB1WGUT-E2

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

The BH28RB1WGUT-E2 is a low dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a fixed positive output voltage of 2.8 V with a maximum output current of 150 mA. The device utilizes a VCSP60N1-4 package, measuring 1x1.04 mm, suitable for surface mount applications. It operates within an ambient temperature range of -40°C to +85°C. Key electrical specifications include a quiescent current of 72 µA, a maximum input voltage of 5.5 V, and a typical dropout voltage of 100 mV. The regulator ensures high stability with a precision output voltage accuracy of ±1%.

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

• Delivers a stable 2.8 V fixed output voltage with ±1% precision
• Supports up to 150 mA load current in a compact 4-pin VCSP package
• Operates efficiently with low quiescent current consumption
• Provides reliable regulation across a wide industrial temperature range

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

• Portable electronic devices requiring stable low-voltage power supplies
• Battery-powered systems needing efficient linear regulation
• Embedded circuits utilizing CMOS logic families
• Compact consumer electronics with strict space constraints

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

Verify the exact suffix E2 to confirm lead-free compliance and specific manufacturing lot details. Confirm the VCSP60N1-4 package dimensions against your PCB footprint requirements. Check the datasheet for thermal dissipation limits under your specific operating conditions. Ensure input voltage does not exceed the 5.5 V maximum rating. Validate that the 150 mA current requirement aligns with your circuit design needs.

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

Select this component when a precise 2.8 V rail is required for sensitive digital or analog loads. The low dropout characteristic makes it suitable for batteries nearing depletion. Its small form factor aids in dense board layouts. Consider the 72 µA quiescent current for battery life optimization. Ensure the application stays within the specified -40°C to +85°C operational temperature window.

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

This part belongs to the BH□□RB1WGUT series of 150 mA CMOS LDO regulators from ROHM. These regulators are designed for portable equipment where size and power efficiency are critical. The series offers various fixed output voltages, with this specific model providing 2.8 V. They share common features like low noise and high power supply rejection ratio, targeting modern mobile and IoT applications.

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

Check for BH33RB1WGUT-E2 if a 3.3 V output is acceptable instead of 2.8 V. Verify pinout compatibility before substituting with other ROHM VCSP LDOs. Cross-reference with BH28SA3WGUT-E2 for potential alternative sourcing options. Ensure any substitute maintains the same 150 mA current capability and package size.