TL431AIDG onsemi

Here is the English description of the TL431AIDG chip:

• Function: Programmable Shunt Regulator
• Adjustable Output Voltage: 2.5V (typ)
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to 125°C
• Package: SOT-23

The TL431AIDG from Texas Instruments is a programmable shunt voltage regulator.

Key Features:

• Provides a stable 2.5V reference output
• Output voltage is set via an external resistor divider
• Handles output currents up to 100mA
• Occupies minimal PCB area in small SOT-23 package
• Wide -40°C to 125°C operating temperature range

Common Applications:

• Linear regulators and switching power supplies
• Battery charging and protection circuits
• Portable electronics and distributed power systems

Benefits Include:

• Allows for precise voltage and current regulation
• Enables simple and low-cost circuit designs
• Reliable and stable operation across broad conditions

Well-suited for applications requiring a programmable voltage reference for regulation, measurement, and over-voltage protection where space and cost are critical constraints.

In summary, the TL431AIDG provides a versatile 2.5V reference source with 100mA drive in Texas Instruments' industry-standard mini SOT-23 package.