R1114Q251D-TR-FE

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

The R1114Q251D-TR-FE is a fixed positive linear voltage regulator (LDO) manufactured by Ricoh. It provides a fixed output voltage of 2.5 V with a maximum output current of 150 mA. The device operates within an input voltage range of 2 V to 6 V and features a typical dropout voltage of 280 mV, with a maximum of 500 mV. Key electrical parameters include a power supply rejection ratio (PSRR) of 60 dB, line regulation of 0.02 %/V, and load regulation of 22 mV. The quiescent current is 75 uA, and the voltage accuracy is 2 %. It supports a power dissipation of 380 mW and functions within a temperature range of -40 C to +85 C.

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

• CMOS-based low dropout regulator architecture for efficient power management
• Fixed 2.5 V output voltage with high precision regulation
• Low quiescent current consumption for battery-operated applications
• High power supply rejection ratio for noise reduction

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

• Portable electronic devices requiring stable low-voltage power supplies
• Battery-powered systems needing extended operational life
• Noise-sensitive analog circuits in consumer electronics

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

Verify the manufacturer designation, as Nisshinbo Micro Devices also lists this part number family. Confirm the specific suffix 'D' corresponds to the correct package and tape/reel configuration. Ensure RoHS compliance documentation matches the required environmental standards for your assembly process. Cross-reference the datasheet version to confirm pinout and electrical characteristics align with your design requirements before procurement.

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

Select this component when a fixed 2.5 V output is required with minimal external components. The low dropout characteristic makes it suitable for applications where the input voltage is close to the output voltage. Consider the 150 mA current limit and thermal dissipation capabilities relative to the expected load and ambient temperature conditions.

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

This part belongs to the R1114Q series of low-noise LDO regulators from Ricoh. It is designed for portable equipment and general-purpose applications requiring stable voltage regulation. The series typically offers various fixed output voltages and is packaged in compact surface-mount formats like SC-82AB or SOT-23 variants.

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

Public confirmed substitute part numbers are not available in the provided source material.