The TS431ACTA3 is a precision adjustable shunt regulator manufactured by Taiwan Semiconductor. It functions as a programmable zener diode, offering a wide range of voltage adjustment through external resistors. Its key feature is its ability to maintain a stable output voltage across varying input voltages and load currents.

Applications:

• Voltage References: Used as a stable voltage reference in power supplies and other circuits.
• Error Amplifiers: Implemented in feedback loops for voltage and current regulation.
• Adjustable Power Supplies: Enables the creation of adjustable voltage power supplies.
• Over-Voltage Protection: Provides over-voltage protection in sensitive electronic equipment.
• Comparator Circuits: Used in comparator circuits for threshold detection.

Features:

• Adjustable Output Voltage: The output voltage can be adjusted to any value between Vref (2.5V) and 36V using two external resistors.
• Low Output Noise: Provides a clean and stable output voltage with minimal noise.
• Low Temperature Coefficient: Maintains stable performance over a wide temperature range.
• Sink Current Capability: Capable of sinking current, making it suitable for various applications.
• Wide Operating Current Range: Operates efficiently over a wide range of operating currents.
• TO-92 Package: Through-hole package for easy prototyping and breadboarding.

Benefits:

• Precise Voltage Regulation: Provides accurate and stable voltage regulation.
• Flexibility in Voltage Adjustment: Allows for easy adjustment of the output voltage to meet specific application requirements.
• Stable Performance: Maintains stable performance over a wide range of operating conditions.
• Low Noise: Minimizes noise in the output voltage.
• Easy to Use: Simple to implement in various circuits.
• Cost-Effective Solution: Provides a cost-effective solution for voltage regulation and reference applications.

Additional Details:

The TS431ACTA3 is available in a TO-92 package. The output voltage is set using two external resistors according to the formula: Vout = Vref * (1 + R1/R2), where Vref is the internal reference voltage (typically 2.5V). Detailed application notes and design guidelines are available from Taiwan Semiconductor to assist with implementation.