Introducing the LM4128BMFX-2.5 Voltage Reference IC from Texas Instruments

The LM4128BMFX-2.5 is a precision, low dropout micropower bandgap voltage reference in a space-saving SOT-23 package from Texas Instruments, a leader in semiconductor solutions. This high-accuracy voltage reference is designed for portable and battery-powered applications where energy efficiency is critical.

With an output voltage of 2.5V, the LM4128BMFX-2.5 offers a tight output voltage tolerance of ±0.1% at 25°C, making it ideal for high-precision applications. Its impressive temperature coefficient of only 20ppm/°C ensures stable performance across a wide temperature range from -40°C to +125°C, providing reliability in various operating conditions.

The device features a very low, 60µA (typical) quiescent current that minimizes power consumption, which is essential for extending battery life in portable devices. Moreover, the LM4128BMFX-2.5 has a very low dropout voltage, typically 80mV at 1mA load, allowing it to function correctly even when the supply voltage is very close to the output voltage, further enhancing its efficiency in systems with limited power headroom.

One of the key benefits of the LM4128BMFX-2.5 is its excellent load and line regulation, which ensures a stable output voltage even with variations in input voltage or load conditions. This feature is particularly valuable in sensitive electronic applications where voltage fluctuations can lead to performance degradation or system instability.

For design flexibility, the LM4128BMFX-2.5 is also available in fixed reverse breakdown voltages of 1.8V, 2.048V, 3.0V, 3.3V, and 4.096V, catering to a wide range of applications. This versatility, combined with its small form factor, makes it an excellent choice for space-constrained applications such as handheld devices, medical equipment, and precision instrumentation.

In summary, the LM4128BMFX-2.5 from Texas Instruments is a high-quality, reliable voltage reference that offers precision, low power consumption, and stability, making it an essential component for engineers looking to enhance the performance of their power-sensitive designs.