R1171J331D-T1-F

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

The R1171J331D-T1-F is a CMOS Low Dropout (LDO) voltage regulator manufactured by Nisshinbo Micro Devices. It provides a fixed output voltage of 3.3 V with a maximum continuous output current of 2 A. The device operates within an input voltage range of 2.1 V to 6 V and features a typical dropout voltage of 90 mV at full load. Key electrical specifications include a power supply rejection ratio (PSRR) of 50 dB, line regulation of 0.05 %/V, and load regulation of 10 mV. The quiescent operating current is 130 uA, and the voltage adjustment accuracy is specified at 2 %. It is housed in a TO-252-5 package and supports surface mount installation.

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

• High current capability delivering up to 2 A output for demanding power loads
• Ultra-low dropout performance ensuring efficient regulation near input limits
• Integrated CMOS architecture designed for stable operation with low standby consumption

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

• Portable electronic devices requiring high current from battery sources
• Embedded systems needing stable 3.3 V logic rails
• Industrial control modules utilizing single-supply architectures

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

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct package and tolerance specifications. Confirm RoHS compliance status through the specific datasheet revision. Cross-reference distributor catalogs with the manufacturer's latest release notes to validate component authenticity and availability before finalizing procurement orders.

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

Select this component when a fixed 3.3 V output is required with high current capacity exceeding standard LDO limits. The TO-252-5 package offers thermal advantages for higher power dissipation scenarios compared to smaller footprints. Ensure input voltage remains above the minimum threshold of 2.1 V while accounting for the specific dropout voltage under expected load conditions.

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

This regulator belongs to the R1171J series, which focuses on high-current linear regulation solutions. The series utilizes advanced CMOS technology to balance efficiency with cost-effectiveness. It serves as a core power management element within broader PMIC portfolios offered by Nisshinbo Micro Devices for consumer and industrial electronics.

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

Consult official substitution guides for compatible parts within the same series or equivalent high-current LDOs from other manufacturers. Verify pinout compatibility and thermal characteristics before implementing any alternative components.