R1121N361B-TR-FE

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

The R1121N361B-TR-FE is a fixed positive Low Dropout (LDO) voltage regulator manufactured by Ricoh Electronic Devices Co., Ltd. It utilizes CMOS technology to provide a stable output voltage of 3.6V with a maximum dropout voltage of 0.35V at rated load. The device supports an input voltage range from 2V to 6V and delivers a maximum output current of 150mA. Encased in a halogen-free, RoHS-compliant SOT-23-5 package, it features a single regulation function within a compact form factor suitable for space-constrained designs.

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

• CMOS-based low dropout architecture for efficient power management
• Fixed 3.6V output with tight tolerance specifications
• RoHS compliant and halogen-free construction

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

• Portable battery-powered electronic devices
• Embedded systems requiring stable low-voltage rails
• Communication equipment power supplies

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

Verify the manufacturer designation as Ricoh Electronic Devices Co., Ltd. when sourcing components. Confirm compliance with RoHS standards and halogen-free requirements prior to integration. Ensure the SOT-23-5 package matches the target PCB footprint. Validate that the specific suffix corresponds to the required output voltage and packaging configuration.

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

Select this component for applications requiring a precise 3.6V supply with minimal voltage drop under load. The 150mA current capability suits low-power logic circuits. Consider the 2V minimum input requirement against available source voltages. The CMOS technology offers advantages in quiescent current consumption compared to bipolar alternatives.

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

This part belongs to the R1121N series of LDO regulators produced by Ricoh. The series is characterized by high precision and low noise performance. The specific model indicates a fixed 3.6V output variant packaged in a standard surface-mount format designed for automated assembly processes.

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

Consult official Ricoh documentation for direct pin-compatible substitutes within the same series. Verify electrical parameters such as dropout voltage and output current against alternative vendors before substitution.