BU15TD3WG-TR

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

The BU15TD3WG-TR is a standard CMOS low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 1.5 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 240 mV, with a maximum of 460 mV. It offers high ripple rejection of 70 dB and maintains line regulation at 2 mV and load regulation at 10 mV. The quiescent operating current is 35 uA, and the power dissipation capability is 540 mW. It supports a wide operating temperature range from -40 C to +85 C.

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

• High accuracy output voltage with compatibility for small ceramic capacitors
• High ripple rejection ratio for effective noise suppression
• Standard CMOS technology ensuring low power consumption

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

• Battery-powered portable electronic devices
• General-purpose linear voltage regulation in consumer electronics
• Power management circuits requiring stable 1.5 V supply rails

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

Verify the specific ordering suffix and package type against the official datasheet to ensure compatibility with your design requirements. Confirm that the component meets all relevant RoHS compliance standards before integration. Cross-reference the manufacturer part number with authorized distributor listings to validate authenticity and traceability. Ensure that the thermal performance specifications align with your system's power dissipation constraints.

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

Select this component when a fixed 1.5 V output is required with moderate current capabilities up to 200 mA. It is suitable for applications prioritizing low quiescent current and high ripple rejection over ultra-low dropout performance. Consider the SSOP-5 package constraints for PCB layout and thermal management. Evaluate the input voltage range to ensure it remains above the minimum requirement of 1.7 V during operation.

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

This LDO regulator belongs to the BUx1TD3WG series from ROHM Semiconductor, designed for versatile package options and full CMOS integration. The series emphasizes high accuracy and compatibility with small ceramic capacitors, simplifying board design. It serves as a reliable solution for stable voltage regulation in compact electronic systems where space and power efficiency are critical considerations.

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

Direct substitutes include other ROHM BUx1TD3WG variants with different fixed output voltages, such as BU21TD3WG-TR or BU31TD3WG-TR, provided the voltage requirement changes. Verify pinout compatibility and electrical parameters like dropout voltage and current capacity before substitution.