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The TL431G-AE2-R is a precision programmable shunt regulator manufactured by UTC (Unicorn Microelectronics). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: UTC (Unicorn Microelectronics)
• Part Number: TL431G-AE2-R
• Type: Adjustable Precision Shunt Regulator
• Reference Voltage (Vref): 2.495V (Typical)
• Voltage Range (Cathode to Anode): 2.5V to 36V
• Operating Current Range (IKA): 1mA to 100mA
• Output Sink Current Capability: Up to 100mA
• Tolerance: ±1% (B Grade), ±2% (A Grade)
• Temperature Range: -40°C to +85°C
• Package: SOT-23-3 (TO-236)

Descriptions:

The TL431G-AE2-R is a three-terminal adjustable precision shunt regulator with stable thermal performance. It provides a highly accurate reference voltage and is commonly used in power supplies, battery chargers, and voltage monitoring circuits.

Features:

• Adjustable Output Voltage: Set by external resistors
• Low Output Noise
• Wide Operating Current Range (1mA to 100mA)
• Low Dynamic Output Impedance (0.22Ω Typical)
• Fast Turn-On Response
• Stable Over Full Temperature Range
• Available in SOT-23 Package for Space-Saving Applications

This information is based on UTC's official datasheet for the TL431G-AE2-R. For detailed electrical characteristics and application circuits, refer to the manufacturer's documentation.