Texas Instruments

REG102NA-A/250

REG102NA-A/250 Description

The REG102NA-A/250 from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed for precision power management in space-constrained applications. This adjustable positive regulator delivers a stable output voltage ranging from 2.5V to 5.5V with a maximum output current of 250mA. Its ultra-low dropout voltage of 0.27V at 250mA ensures efficient operation even with minimal input-to-output differentials, making it ideal for battery-powered systems. The device features a low quiescent current of 500 µA and a supply current of 800 µA (max), optimizing power efficiency in always-on applications. Packaged in a compact SOT23-5 form factor, it is well-suited for portable and embedded designs.

REG102NA-A/250 Features

• Adjustable Output: Configurable from 2.5V to 5.5V for versatile voltage requirements.
• Low Dropout: Just 0.27V at 250mA maximizes efficiency in low-voltage scenarios.
• High PSRR: 65dB at 120Hz ensures excellent noise rejection for sensitive analog/digital loads.
• Enable Control: Integrated enable pin allows for power-saving modes, reducing standby consumption.
• Robust Protection: Includes over-current and over-temperature safeguards for reliable operation.
• Compact & RoHS3 Compliant: SOT23-5 package meets environmental standards and suits high-density PCB layouts.
• Low Quiescent Current: 500 µA minimizes power waste in always-on systems.

REG102NA-A/250 Applications

• Portable Electronics: Ideal for smartphones, wearables, and IoT devices requiring stable power with minimal dropout.
• Battery-Powered Systems: Extends battery life in wireless sensors, medical devices, and handheld instruments.
• Industrial Controls: Suitable for PLCs, motor drivers, and automation systems needing high PSRR and thermal protection.
• Embedded Systems: Provides reliable voltage regulation for microcontrollers, FPGAs, and memory modules.
• Consumer Electronics: Used in audio amplifiers, displays, and peripherals where space and efficiency are critical.

Conclusion of REG102NA-A/250

The REG102NA-A/250 stands out as a versatile, high-efficiency LDO regulator, combining low dropout, adjustable output, and robust protection in a miniature package. Its low quiescent current and high PSRR make it a superior choice for power-sensitive and noise-critical applications. While marked as Last Time Buy, its performance and Texas Instruments' reliability ensure it remains a compelling solution for legacy and new designs requiring precision voltage regulation. Engineers seeking a balance of size, efficiency, and features will find this regulator exceptionally well-suited for modern electronic systems.