BU30SD2MG-MTR

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

The BU30SD2MG-MTR is a single-output, fixed-voltage linear low-dropout (LDO) regulator manufactured by Rohm Semiconductor. It provides a nominal output voltage of 3.0 V with a maximum continuous output current of 200 mA. The device operates within an input voltage range of 1.7 V to 6.5 V and features a typical dropout voltage of 85 mV at 100 mA load. Key electrical specifications include a ripple rejection ratio of 68 dB at 1 kHz and a circuit current of 33 µA. It incorporates shutdown functionality, thermal shutdown protection, and over-current protection.

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

• Integrated shutdown function for power management
• Built-in thermal shutdown and over-current protection circuits
• Low noise performance with high ripple rejection capability
• Automotive-grade reliability supporting functional safety analysis

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

• Automotive audio systems
• Automotive navigation units
• General automotive electronic modules requiring stable 3.0 V supply

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

Verify the specific suffix MTR indicates tape-and-reel packaging when ordering. Confirm the 3.0 V output variant matches design requirements, as other voltages exist in the BUxxSD2 series. Ensure compatibility with SSOP-5 footprint constraints. Check for RoHS compliance status if required by project specifications. Validate AEC-Q100 qualification data against target automotive application standards.

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

Select this component for applications requiring a compact, low-power LDO with integrated protection features. The 3.0 V output is suitable for powering digital logic or sensors from a 1.7 V to 6.5 V source. Consider the 33 µA quiescent current for battery-operated systems. The SSOP-5 package offers a small form factor compared to larger alternatives. Verify that the 200 mA output current meets the peak load demands of the downstream circuitry.

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

This part belongs to the BUxxSD2-M series of full CMOS LDO regulators designed for automotive use. The series shares common characteristics such as low circuit current, excellent noise characteristics, and robust protection features. These regulators are optimized for space-constrained automotive environments, offering high performance in a standard SSOP-5 package while maintaining automotive grade temperature ranges and reliability standards.

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

S-1313A30-M5T1U3 is listed as a similar replacement option. Verify pinout compatibility and exact output voltage tolerance before substitution. Ensure the alternative component meets the same automotive qualification and protection feature requirements.