RP109Q282D-TR-FE

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

The RP109Q282D-TR-FE is a fixed positive CMOS LDO regulator from the Nisshinbo RP109Q series. It provides a fixed output voltage of 2.8V with a maximum output current of 150 mA. The device operates within an input voltage range of 1.4 V to 5.25 V and features a typical power supply rejection ratio (PSRR) of 75 dB at 1 kHz. It exhibits a maximum dropout voltage of 350 mV and maintains operation across a temperature range of -40°C to +85°C. The component is housed in a 5-pin SC-88A surface-mount package.

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

• Provides stable fixed positive voltage regulation for sensitive analog and digital circuits
• Delivers high power supply rejection ratio to minimize noise coupling from input sources
• Operates efficiently with low dropout voltage under varying load conditions
• Integrated overcurrent protection safeguards against short-circuit and overload events

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

• Portable battery-powered consumer electronics requiring stable low-voltage rails
• RF modules and wireless communication interfaces needing low-noise power supplies
• Microcontroller unit (MCU) core voltage regulation in embedded systems
• Sensor interface circuits demanding precise voltage reference stability

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

Verify the specific suffix D-TR-FE corresponds to the SC-88A-5 package and standard reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure input voltage constraints remain within the specified 1.4 V to 5.25 V range during system design validation.

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

Select this component when a fixed 2.8V output is required with minimal external component count. The 150 mA current capability suits moderate load applications. Consider the 75 dB PSRR for noise-sensitive environments. Verify thermal dissipation requirements based on the maximum power dissipation rating and ambient operating temperature limits.

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

This part belongs to the RP109Q family of low-dropout regulators designed for portable devices. The series emphasizes low noise and high PSRR characteristics suitable for RF and audio applications. The RP109Q282D-TR-FE specifically targets the 2.8V output segment, offering a compact solution for space-constrained designs requiring reliable linear regulation.

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

Cross-reference with other RP109Q series variants sharing the same SC-88A-5 package if different output voltages are needed. Verify pin compatibility before substituting with similar LDOs from other manufacturers. Ensure equivalent PSRR and current ratings match application requirements.