RP114N251D-TR-FE

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

The RP114N251D-TR-FE is a fixed-output low dropout regulator from the RP114x series, manufactured by Nisshinbo Micro Devices. It provides a stable 2.5 V output with a maximum continuous current of 300 mA. The device operates within an input voltage range of 1.8 V to 5.25 V and features a typical dropout voltage of 290 mV at full load. Key electrical specifications include a quiescent current of 75 µA, a power supply rejection ratio (PSRR) of 75 dB at 1 kHz, and line regulation of 0.02 %/V. It is housed in a compact SOT-23-5 package.

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

• Integrated enable control pin for precise power management and system sequencing
• Built-in overcurrent protection circuitry to safeguard against short circuits and overload conditions
• High power supply rejection ratio ensures stable output voltage despite input noise fluctuations

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

• Battery-powered portable electronic devices requiring efficient power regulation
• Embedded systems utilizing microcontrollers and memory modules
• Communication equipment needing clean power supplies for sensitive analog sections

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

Verify the complete part number including suffixes to ensure correct output voltage and packaging configuration. Confirm RoHS compliance status and specific tape-and-reel quantities required for manufacturing integration. Cross-reference datasheet revisions to validate thermal performance parameters under actual operating conditions.

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

Select this component when a fixed 2.5 V rail is required with moderate current demands up to 300 mA. Consider the low quiescent current for battery life optimization. Ensure the input voltage remains above the minimum threshold while accounting for dropout voltage variations across temperature ranges.

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

This regulator belongs to the RP114x family of CMOS LDOs designed for general-purpose power management. The series offers various fixed output voltages and packages, balancing performance with cost-efficiency. The RP114N variant specifically denotes the standard version within this lineup, widely used in consumer electronics and industrial applications.

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

Direct substitutes may include other 300 mA LDOs with 2.5 V output and similar pinouts. Verify compatibility regarding enable logic polarity, PSRR requirements, and physical footprint dimensions before implementation.