The TL431K-AE2-R is a precision adjustable shunt regulator manufactured by Unisonic Technologies Co., Ltd. (UTC). It is widely used in various electronic applications to provide a stable and adjustable voltage reference. This device is known for its high accuracy, low temperature coefficient, and excellent stability, making it suitable for precision voltage regulation and control circuits.

Applications

• Voltage Regulators
• Switching Power Supplies
• Overvoltage Protection
• Precision Current Sources
• Error Amplifiers

Features

• Programmable Output Voltage
• Low Dynamic Output Impedance
• Low Temperature Coefficient
• High Accuracy
• Wide Operating Current Range

Benefits

• Flexible voltage regulation
• Stable and accurate voltage reference
• Improved system performance and reliability
• Reduced component count
• Cost-effective solution

Additional Details

The TL431K-AE2-R can be programmed to provide any output voltage within the range of Vref (2.5V) to 36V by using two external resistors. It has a low dynamic output impedance, which ensures stable operation even under varying load conditions. The low temperature coefficient minimizes the drift in output voltage due to temperature changes, ensuring consistent performance. This device is available in various packages to suit different application requirements.

This shunt regulator is ideal for use in power supplies, voltage regulators, and other applications where a stable and adjustable voltage reference is required. Its high accuracy and stability make it a reliable choice for demanding applications.

Key Specifications:

• Reference Voltage (Vref): 2.5V
• Adjustable Output Voltage Range: 2.5V to 36V
• Operating Current Range: 1 mA to 100 mA
• Temperature Coefficient: Typically 9 ppm/°C
• Operating Temperature Range: -40°C to +85°C