The KIA431AM-RTK is a precision adjustable shunt regulator manufactured by KEC (Korea Electronics Co., Ltd.). It is commonly used in voltage regulation, voltage reference, and error amplifier applications.

Applications:

• Switching Power Supplies: Used as a voltage reference in power supply feedback loops.
• Linear Regulators: Provides precise voltage regulation in linear power supplies.
• Voltage Monitoring: Monitors voltage levels and provides overvoltage or undervoltage protection.
• Current Sources: Creates stable and accurate current sources.
• Instrumentation Amplifiers: Used in precision instrumentation circuits.

Features:

• Adjustable Output Voltage: The output voltage can be adjusted from Vref to 36V using two external resistors.
• Low Output Noise: Provides a stable and clean voltage reference.
• High Precision: Offers tight tolerance and minimal drift over temperature.
• Low Temperature Coefficient: Maintains stable performance over a wide temperature range.
• Wide Operating Current Range: Operates with cathode currents from 1mA to 100mA.

Benefits:

• Precise Voltage Regulation: Ensures accurate and stable output voltage.
• Improved Power Supply Performance: Enhances the stability and reliability of power supplies.
• Simplified Circuit Design: Reduces the number of components required for voltage regulation.
• Cost-Effective Solution: Provides a high-performance voltage reference at a competitive price.
• Versatile Applications: Can be used in a wide range of voltage regulation and reference circuits.

Technical Specifications:

Based on available datasheets, the KIA431AM-RTK typically features a reference voltage (Vref) of 2.5V, an adjustable output voltage range from Vref to 36V, and a typical cathode current range from 1mA to 100mA. The reference voltage tolerance is typically ±0.5%, and it is available in a SOT-23 package. It is essential to consult the manufacturer's datasheet for precise specifications.