BU28TD3WG-TR

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

The BU28TD3WG-TR is a standard CMOS 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 capability of 200 mA. The device operates within an input voltage range of 1.7 V to 6 V and features a typical power supply rejection ratio (PSRR) of 70 dB. It exhibits a maximum dropout voltage of 500 mV and maintains a quiescent operating current of 35 µA. The regulator is housed in a compact SSOP-5 surface-mount package and is designed for operation across a temperature range of -40°C to +85°C.

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

• Standard CMOS architecture optimized for low power consumption
• Fixed output voltage configuration ensuring stable regulation
• High ripple rejection performance for clean power delivery

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

• Battery-powered portable electronic devices
• General-purpose linear voltage regulation circuits
• Low-power embedded system power supplies

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

Verify the specific manufacturer part number BU28TD3WG-TR against official ROHM Semiconductor documentation to confirm pinout compatibility and electrical specifications. Ensure that the SSOP-5 package dimensions align with your printed circuit board layout requirements. Confirm that the operating temperature range meets your environmental constraints before finalizing procurement decisions.

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

Select this component when a fixed 2.8 V output is required with moderate current demands up to 200 mA. The low quiescent current makes it suitable for battery-operated applications where efficiency is critical. Consider the SSOP-5 package size for space-constrained designs. Verify that the input voltage remains within the specified 1.7 V to 6 V range during all operational conditions.

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

This component belongs to the BU2xTD3WG series of standard CMOS LDO regulators from ROHM Semiconductor. These regulators are designed as versatile, low-cost solutions for general-purpose power management tasks. The series offers various fixed output voltages while maintaining consistent performance characteristics such as low dropout voltage and high PSRR across different models.

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

BU2JTD3WG-TR serves as a verified alternative within the same product family, offering similar functionality with a different fixed output voltage specification.