(Pack of 3) KA431AZ Programmable Shunt Regulator

(Pack of 3) KA431AZ Programmable Shunt Regulator 

The KA431AZ is a programmable precision shunt voltage regulator, functionally equivalent to the popular TL431. It is designed to act like an adjustable Zener diode with superior accuracy and temperature stability. Using just two external resistors, the output (reference) voltage can be set from 2.5V up to 36V, making it extremely flexible for voltage reference and regulation applications.

This listing includes a pack of 3 KA431AZ ICs, ideal for prototyping, repair, and production use. The device offers low dynamic output impedance, good thermal stability, and sharp turn-on characteristics, making it widely used in SMPS feedback circuits, battery chargers, and precision reference designs.

Click here to view related products

Applications

• SMPS feedback and regulation circuits
• Adjustable voltage reference circuits
• Battery charger voltage control
• Over-voltage and under-voltage protection
• Precision Zener replacement
• Optocoupler reference in power supplies
• Voltage monitoring and threshold detection circuits

Features

• Type: Programmable precision shunt regulator
• Reference Voltage: 2.5V (typical)
• Programmable Output Voltage: 2.5V to 36V
• Equivalent to: TL431
• Low dynamic output impedance
• Sharp turn-on characteristics
• Good temperature stability
• High accuracy and reliability
• Package: TO-92
• Quantity: Pack of 3 pieces

KA431AZ Datasheet