REG101NA-2.5/250

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

The REG101NA-2.5/250 is a low-dropout linear regulator manufactured by Texas Instruments, belonging to the REG101 series. It features a DMOS output transistor and provides a fixed positive output voltage of 2.5 V with a maximum output current of 100 mA. The device operates within an input voltage range of 2.5 V to 5.5 V and exhibits a typical dropout voltage of 60 mV at 2 mA load current. It is housed in a surface-mount SOT-23-5 package and supports operation across a temperature range of -40°C to +85°C.

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

• Utilizes DMOS technology for efficient power regulation
• Provides stable fixed 2.5 V output voltage
• Supports high efficiency with low ground current consumption
• Ensures fast transient response capabilities

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

• Battery-powered portable electronic devices
• Embedded systems requiring precise voltage rails
• Communication equipment signal conditioning
• Industrial control system power supplies

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

Verify the complete part number including suffixes such as /250 or /3KG4 to ensure correct packaging configuration. Confirm RoHS compliance status through official datasheets before procurement. Cross-reference manufacturer specifications to validate operational parameters against design requirements. Ensure sourcing channels provide authentic components from authorized distributors to prevent counterfeit risks.

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

Select this component when a fixed 2.5 V rail is required with minimal external circuitry. Consider the SOT-23-5 package constraints for PCB layout space. Evaluate thermal performance based on expected load currents and ambient temperatures. Compare dropout characteristics against input voltage variations to maintain regulation stability under varying load conditions.

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

This regulator belongs to the REG101 family of low-noise, fast-transient LDOs designed for portable applications. The series offers various fixed and adjustable output options within the 2.5 V to 5.5 V range. These devices are engineered for high efficiency and low quiescent current, making them suitable for battery-operated systems where power conservation is critical.

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

Direct substitutes include other REG101 variants with compatible output voltages and current ratings. Verify pin compatibility and package dimensions before substitution. Check if alternative regulators meet the specific dropout voltage and noise requirements of the original design.