LM431SACMFX onsemi / Fairchild

Here is the English description of the LM431SACMFX chip:

• Function: Shunt voltage reference
• Output voltage: 2.5V (typical)
• Temperature range: -40°C to 125°C
• Package: SOT-23-3

The LM431SACMFX is a shunt voltage reference from Texas Instruments.

Key Features:

• Provides a stable 2.5V output voltage
• Low 1.5μA typical quiescent current
• SOT-23-3 package saves space on the PCB
• Wide operating temperature range

Common Applications:

• Linear regulator reference point
• Sensor voltage measurement circuits
• Threshold detection and triggering

Benefits include an accurate and efficient 2.5V reference. The small package is well-suited for portable and space-constrained designs.

Well-suited as a reference voltage for linear regulators, analog circuits, and any application requiring a stable 2.5V source over a wide temperature range.

In summary, the LM431SACMFX delivers a precise 2.5V output while achieving minimal size, high efficiency, and rugged temperature performance.