BU25TD3WG-TR

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

The BU25TD3WG-TR is a fixed positive low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 2.5 V with a maximum output current of 200 mA. The device operates within an input voltage range of 1.7 V to 6 V and features a typical dropout voltage of 400 mV at full load. It incorporates standard CMOS technology, drawing a quiescent current of 35 µA. The regulator offers high ripple rejection, typically 70 dB, and maintains an output voltage accuracy of ±1%. It is housed in an SSOP-5 package and supports an operating temperature range from -40°C to +85°C.

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

• High-performance FULL CMOS architecture designed for low power consumption applications
• Compatible with small ceramic capacitors for stable operation without additional components
• Integrated built-in output discharge circuit for rapid voltage removal upon shutdown
• Includes over-current protection and thermal shutdown circuits for enhanced reliability

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

• Battery-powered portable equipment requiring efficient power management
• RF modules needing low-noise voltage regulation
• Camera modules utilizing compact power supply solutions

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

Verify the specific suffix and packaging configuration against the official datasheet before ordering. Confirm that the SSOP-5 package dimensions match the target PCB footprint. Ensure the fixed 2.5 V output aligns with the system requirements. Check for any RoHS compliance documentation if required by the manufacturing process. Validate the operating temperature range suitability for the intended environment.

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

Select this component when a fixed 2.5 V rail is needed with minimal external component count. The low quiescent current makes it suitable for battery-operated devices. Verify that the input voltage remains above the minimum requirement of 1.7 V under all conditions. Consider the thermal dissipation capabilities given the SSOP-5 package size. Ensure the load current does not exceed the 200 mA limit during peak operation.

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

This part belongs to the BUxxTD3WG series of standard CMOS LDO regulators from ROHM. The series is characterized by its versatility in package options and performance in low-current applications. It is categorized under PMIC - Power Management ICs. The specific model indicates a 2.5 V output variant within this family of linear regulators.

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

Direct substitutes include other parts from the BUxxTD3WG series with different fixed output voltages, such as BU24TD3WG-TR or BU26TD3WG-TR, provided the voltage level matches the application needs. Cross-referencing pinouts and package dimensions is essential when considering alternatives from other manufacturers.