ON Semiconductor TL431IDMR2G – Precision Programmable Reference

The TL431IDMR2G is a versatile, programmable precision shunt voltage reference from ON Semiconductor, a leading supplier in the semiconductor industry. This high-performance component is designed to maintain a stable reference voltage over a wide range of operating conditions, making it an essential part of many electronic applications including power supplies, battery chargers, and voltage monitoring systems.

Featuring a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges, the TL431IDMR2G offers excellent flexibility. The output voltage can be set to any value between Vref (approximately 2.495 V) and 36 V with two external resistors. This device exhibits a low output noise voltage, making it suitable for precision applications.

Key Features:

• Voltage Reference: Programmable output from 2.495 V to 36 V.
• Temperature Stability: High stability over the full temperature range.
• Low Dynamic Output Impedance: Ensures stable voltage under varying load conditions.
• Surface-Mount Package: Supplied in a small outline, surface-mount DMR2 package for space-constrained applications.
• Low Noise: Suitable for precision and noise-sensitive applications.
• Wide Operating Current: Functions with a wide current range from 1 mA to 100 mA.

Applications:

• Power supplies
• Battery chargers
• Voltage monitoring
• Adjustable voltage or current regulation
• Switching power supplies
• Linear power supplies

The TL431IDMR2G is a critical component for designers looking for a reliable and adjustable voltage reference. It's not only a popular choice due to its precision and programmability but also for its robustness, being capable of withstanding harsh environmental conditions. Whether for industrial, automotive, or consumer electronics, the TL431IDMR2G from ON Semiconductor is a go-to solution for maintaining accurate voltage levels in complex circuits.

For detailed specifications and application guidance, refer to the official datasheet and design resources provided by ON Semiconductor.