R1141Q301B-TR-FE

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

The R1141Q301B-TR-FE is a fixed-output low-dropout (LDO) voltage regulator manufactured by Nisshinbo Micro Devices. It provides a stable 3 V output with a maximum continuous current of 120 mA. The device operates within an input voltage range of 2.2 V to 6 V and features a typical power supply rejection ratio (PSRR) of 70 dB. Key electrical parameters include a quiescent current of 90 uA, a line regulation of 0.02 %/V, and a load regulation of 12 mV. The dropout voltage is specified at 180 mV typically, with a maximum of 280 mV. The component supports surface-mount installation in an SC-82AB-4 package and functions reliably across a temperature range of -40 C to +85 C.

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

• Provides a fixed 3 V output voltage for precise power supply requirements
• Delivers up to 120 mA of continuous output current capability
• Features high ripple rejection performance with a typical PSRR of 70 dB
• Operates efficiently with low quiescent current consumption

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

• Portable electronic devices requiring stable low-voltage power rails
• Battery-powered systems needing efficient voltage regulation
• Embedded circuits utilizing CMOS logic families
• General-purpose power management in compact form factors

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

Verify the exact part number against official manufacturer documentation to ensure compatibility with your design specifications. Confirm that the SC-82AB-4 package dimensions align with your PCB footprint requirements. Check the latest datasheet for any updates regarding thermal characteristics or absolute maximum ratings before finalizing procurement decisions.

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

Select this component when a fixed 3 V output is required with moderate current demands up to 120 mA. Consider its low dropout voltage and high PSRR for applications sensitive to noise and input voltage variations. Ensure the operating environment stays within the specified -40 C to +85 C temperature range and that the input voltage remains between 2.2 V and 6 V for optimal performance.

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

This device belongs to the R1141Q series of LDO regulators from Nisshinbo Micro Devices. The series is designed for general-purpose power management applications requiring small size and low power consumption. The R1141Q301B-TR-FE specifically denotes the 3 V output variant packaged in SC-82AB-4 with tape-and-reel delivery.

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

Consult official substitution guides for compatible alternatives within the same product family. Verify pinout compatibility and electrical parameter equivalence before replacing components in existing designs.