RP132K431B-TR

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

The RP132K431B-TR is a low voltage LDO regulator manufactured by Nisshinbo Micro Devices. It provides a fixed 4.3 V output with a maximum current of 1 A. The device operates within an input voltage range of 1.8 V to 6.5 V and features a typical dropout voltage of 460 mV at full load. Key electrical specifications include a power supply rejection ratio (PSRR) of 60 dB, line regulation of 0.05 %/V, and load regulation of 80 mV. Quiescent current is 65 uA, with a power dissipation rating of 880 mW. It supports operation from -40 C to +85 C in a DFN-PLP-1820-6 package.

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

• Provides stable regulated output voltage for sensitive electronic circuits
• Designed for low voltage applications with minimal power loss
• Offers high ripple rejection for clean power delivery

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

• Portable consumer electronics requiring efficient power management
• Battery-powered devices needing extended operational life
• Embedded systems utilizing low noise power supplies

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

Verify the exact part number against official manufacturer documentation before procurement. Confirm that the DFN-PLP-1820-6 package matches your PCB footprint requirements. Ensure thermal management strategies align with the specified 880 mW power dissipation limit under expected operating conditions. Check RoHS compliance status if required by your manufacturing standards.

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

Select this component when a fixed 4.3 V output is required with up to 1 A load capability. Consider the 460 mV dropout voltage relative to your minimum input supply. Evaluate the 65 uA quiescent current impact on overall system efficiency. Verify that the 60 dB PSRR meets the noise sensitivity requirements of your downstream circuitry.

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

This component belongs to the RP132K series of low dropout regulators from Nisshinbo Micro Devices. The series is characterized by low ON resistance pass transistors and compact packaging options suitable for space-constrained designs. The RP132K family targets general-purpose power management needs in portable and industrial applications.

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

Compatible substitutes include other RP132K series variants with different fixed output voltages, such as RP132K331B-TR for 3.3 V or RP132K501E-TR for 5 V outputs. These alternatives share identical pinouts and package dimensions, facilitating direct board-level replacements without schematic modifications.