R1131N321A-TR-FE

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

The R1131N321A-TR-FE is a low dropout voltage regulator manufactured by Nisshinbo Micro Devices. It belongs to the R1131N series and provides a fixed output voltage of 3.2 V with a maximum load current capability of 300 mA. The device operates within an input voltage range of 1.5 V to 6 V and maintains regulation with a typical dropout voltage of 240 mV at full load. It features high accuracy, specified as ±1% for output voltage tolerance, and includes built-in protection circuits such as overcurrent protection and thermal shutdown. The component is housed in a compact SOT-23-5 package suitable for surface mount applications.

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

• Provides stable regulated output voltage with high precision accuracy
• Incorporates internal overcurrent and thermal shutdown protection mechanisms
• Operates efficiently with low dropout voltage characteristics
• Designed for compact surface-mount integration in power management circuits

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

• Portable battery-powered electronic devices requiring stable voltage rails
• Embedded systems needing precise logic supply voltages
• Communication modules utilizing low noise linear regulation
• Industrial control units operating within standard temperature ranges

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

Verify the complete part number including suffixes against official Nisshinbo documentation to ensure correct output voltage and package type. Confirm RoHS compliance status through manufacturer datasheets prior to procurement. Check for specific handling requirements related to electrostatic discharge during storage and assembly processes.

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

Select this component when a fixed 3.2 V output is required with moderate current demands up to 300 mA. Consider the SOT-23-5 footprint constraints and thermal dissipation capabilities relative to the application environment. Evaluate input voltage stability to ensure operation remains within the specified dropout limits under all load conditions.

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

This regulator is part of the R1131N family from Nisshinbo Micro Devices, which focuses on low-power linear regulation solutions. The series is designed for general-purpose power management in consumer and industrial electronics. Nisshinbo Micro Devices was formed through the merger of Ricoh Micro Devices and New Japan Radio, combining expertise in precision analog and mixed-signal ICs.

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

Consult official substitution guides for compatible LDO regulators with matching 3.2 V output and 300 mA current ratings. Verify pinout compatibility and thermal performance metrics before replacing existing designs. Ensure alternative components meet the same safety and environmental compliance standards.