The TL431CZ from STMicroelectronics is a three-terminal adjustable shunt regulator with specified thermal stability over applicable automotive, commercial, and military temperature ranges. This versatile device acts as a precision voltage reference and a regulator, capable of either positive or negative voltage control with its typical output impedance of 0.2 ohms.
Key Features
- Adjustable Output Voltage: The TL431CZ can be programmed from the reference voltage of 2.495 V up to 36 volts with two external resistors.
- Low Output Noise: It offers low output noise, which is crucial for sensitive electronic applications.
- High Stability: The device features high stability over a wide range of operating temperatures, making it suitable for various applications.
- Low Dynamic Output Impedance: The dynamic output impedance of 0.2 ohms with a typical sink current change of 1 mA to 100 mA ensures a stable voltage supply despite load variations.
Applications
The TL431CZ is a popular choice for a wide variety of applications, including:
- Power supplies
- Battery chargers
- Switching power supplies
- Motor control systems
- Adjustable voltage or current regulators
- Precision current limiters
Product Specifications
Parameter
Value
Reference Voltage
2.495 V
Output Voltage Range
2.495 V to 36 V
Typical Output Impedance
0.2 ohms
Operating Temperature Range
-40°C to 105°C
Package Type
TO-92
The TL431CZ's flexibility and reliability make it an essential component for designers looking for a programmable voltage reference or regulator solution. STMicroelectronics' commitment to quality ensures that this product meets the stringent requirements of a broad range of electronic applications.
