BU25SD2MG-MTR

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

The BU25SD2MG-MTR is a single-channel, fixed-output CMOS Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. Designed for automotive applications, it delivers a maximum output current of 300 mA with a fixed output voltage of 2.5 V. The device operates within an input voltage range of 1.7 V to 6 V and supports a junction temperature range from -40°C to +150°C. Key electrical specifications include a typical dropout voltage of 240 mV at full load, a ripple rejection ratio of 60 dB, and a quiescent circuit current of 4 µA. It features overcurrent protection and thermal shutdown capabilities.

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

• High-performance CMOS LDO regulator optimized for automotive environments
• Ultra-low power consumption with minimal quiescent current draw
• Integrated safety protections including overcurrent and thermal shutdown

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

• Automotive audio systems
• Automotive navigation units
• General automotive electronic control modules

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

Verify the specific suffix 'MTR' indicates tape-and-reel packaging when sourcing. Confirm AEC-Q100 Grade 1 qualification status aligns with project requirements. Ensure the fixed 2.5 V output matches system design constraints. Check for RoHS compliance documentation prior to integration.

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

Select this component for designs requiring low noise and high accuracy in compact SSOP-5 packages. Consider the 300 mA output capability against peak load demands. Evaluate the wide operating temperature range for harsh automotive environments. Compare dropout characteristics against available headroom in the supply rail.

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

This part belongs to the BUxxSD2 series of general-purpose, high-performance full CMOS regulators. These devices are characterized by low circuit current and excellent noise and load response characteristics. They are specifically engineered for use in automotive audio and navigation equipment where reliability and efficiency are critical.

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

Direct substitutes within the same family include BU28SD2MG-MTR (2.8 V output), BU30SD2MG-MTR (3.0 V output), and BU33SD2MG-MTR (3.3 V output). Verify that the alternative output voltage meets the target circuit requirements before substitution.