RP112K121B-TR

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

The RP112K121B-TR is a fixed positive low dropout regulator manufactured by Nisshinbo Micro Devices Inc. It provides a stable 1.2 V output with a maximum current capacity of 150 mA. The device utilizes a DFN(PLP)1010-4 surface-mount package and operates within a temperature range of -40°C to +85°C. Key electrical characteristics include a typical power supply rejection ratio (PSRR) of 70 dB at 1 kHz, ensuring effective noise suppression for sensitive circuits.

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

• Low noise performance suitable for precision analog applications
• Integrated reverse current protection mechanism
• Fixed output voltage configuration for simplified design

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

• Portable electronic devices requiring stable low-noise power
• Sensor interface circuits demanding clean voltage rails
• Communication modules needing regulated supply voltages

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

Verify the specific suffix B against the official datasheet to confirm pinout and thermal pad configuration. Ensure the ordering quantity aligns with manufacturer reel specifications. Confirm RoHS compliance status through the latest component documentation before finalizing procurement decisions.

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

Select this component when low noise and moderate current are required in a compact footprint. Compare dropout voltage and PSRR requirements against alternative LDOs in the same series. Verify that the input voltage range remains within safe operating limits during all operational conditions.

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

This part belongs to the RP112K series of low dropout regulators designed for general-purpose power management. The series offers various fixed output voltages and packaging options to support diverse embedded system architectures. It serves as a reliable linear regulation solution for battery-powered and low-power applications.

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

Check for direct substitutes within the RP112K family offering identical output voltage and current ratings. Verify package compatibility if replacing with other DFN variants. Consult official cross-reference lists for confirmed equivalent parts with matching electrical specifications.