The PJ431 is a three-terminal adjustable shunt regulator diode. This precision voltage reference operates as a low temperature coefficient zener, which makes it useful as a stable reference in various power supply and voltage regulation applications.

Applications

• Power Supplies
• Voltage Regulators
• Instrumentation
• Data Acquisition Systems
• Linear Regulators

Features

• Programmable Output Voltage: Allows the output voltage to be set to any value between Vref (typically 2.5V) and 36V with two external resistors.
• Low Dynamic Output Impedance: Ensures stable output voltage under varying load conditions.
• Sink Current Capability: Typically 1mA to 100mA.
• Low Temperature Coefficient: Provides a stable output voltage over a wide temperature range.
• Low Output Noise
• Available in various packages, including TO-92 and SOT-23

Benefits

• Stable Voltage Reference: Provides a precise and stable voltage reference for various applications.
• Adjustable Output Voltage: Flexibility to set the desired output voltage with external resistors.
• Improved Power Supply Performance: Enhances the stability and reliability of power supplies.
• Cost-Effective Solution: A simple and inexpensive solution for voltage regulation and reference applications.

The PJ431 is a versatile component widely used in various electronic circuits for voltage regulation and reference applications. Its adjustable output voltage and low temperature coefficient make it a popular choice for designers.