TL431 TO92: A Three-Terminal Adjustable Shunt Regulator

The TL431 TO92 is a versatile three-terminal adjustable shunt regulator that offers dependable thermal stability across a broad temperature spectrum. It boasts an average output impedance of 0.2 ohms and functions effectively within a substantial current range of 1.0 mA to 100 mA.
 

Key Features

• Adjustable output voltage
• Minimal output noise
• 0.2 typical output dynamic impedance
• Wide operating current range
• Superior temperature stability
• Low output temperature coefficient

Technical Specifications

• Output Voltage Range: 2.5V to 36V
• Operating Current Range: 1.0mA to 100mA
• Output Impedance: 0.22 ohms typical
• Temperature Range: -40°C to +125°C
• Package Type: TO-92

Potential Applications

• Voltage regulation in power supply applications
• Current source and sink applications
• Error amplifiers in switch mode power supplies
• Adjustable voltage references