RP103K151D-TR

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

The RP103K151D-TR is a negative-output Low Dropout (LDO) voltage regulator from the RP103K series by Nisshinbo Micro Devices. It provides a fixed output of -1.5 V with a maximum load current of 100 mA. The device operates within an input voltage range of -2.5 V to -10 V and features a typical Power Supply Rejection Ratio (PSRR) of 75 dB. Key electrical parameters include a dropout voltage of 660 mV, quiescent current of 75 µA, line regulation of 0.3 %/V, and load regulation of 10 mV. It functions reliably between -40°C and +85°C.

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

• Provides stable negative voltage regulation for power-sensitive circuits
• Delivers high noise rejection through significant PSRR performance
• Maintains precise output accuracy under varying load conditions

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

• Negative rail generation in portable electronic devices
• Power management for sensor interfaces requiring dual polarity supplies
• Biasing stages in audio or RF signal processing chains

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

Verify the specific suffix D-TR against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the required negative voltage domain. Cross-reference the part number with authorized distributors to validate authenticity and check for recent Product Change Notifications (PCNs) that may affect pinout or material composition.

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

Select this component when a compact negative LDO solution is required for low-to-moderate current loads. The RP103K series offers a balance of low quiescent current and high PSRR suitable for noise-sensitive applications. Consider the DFN(PLP)1010-4 package constraints for thermal dissipation and PCB layout requirements compared to larger packages.

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

This regulator belongs to the RP103K family of negative LDOs designed for efficient power management in space-constrained environments. The series is characterized by its small footprint and ability to maintain regulation with minimal input-output differential. It serves as a critical component for generating auxiliary negative voltages in systems powered by single positive rails.

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

What is the maximum input voltage for the RP103K151D-TR?

The maximum allowable input voltage is -2.5 V.

Does this regulator support adjustable output voltages?

No, the RP103K151D-TR provides a fixed output voltage of -1.5 V.