onsemi

KA431ZTF

KA431ZTF Description

The KA431ZTF is a precision shunt voltage reference IC designed for a wide range of power management applications. Manufactured by onsemi, this device is part of the Power Management Integrated Circuit (PMIC) category. It features an adjustable output voltage ranging from 2.5V to 36V, making it highly versatile for various electronic systems. The KA431ZTF is housed in a TO-92-3 package, which is suitable for through-hole mounting, ensuring robust mechanical stability and ease of integration into PCB designs.

KA431ZTF Features

• Adjustable Output Voltage: The KA431ZTF offers an adjustable output voltage range from 2.5V to 36V, providing flexibility to meet diverse application requirements.
• High Output Current Capability: With a maximum output current of 100 mA, this IC can support a variety of power-hungry applications.
• Low Temperature Coefficient: The typical temperature coefficient of 50ppm/°C ensures stable performance across a wide temperature range, making it suitable for high-precision applications.
• High Tolerance: The ±2% tolerance guarantees precise voltage regulation, enhancing the reliability and accuracy of the reference voltage.
• Low Cathode Current: The low cathode current of 1 mA minimizes power consumption and heat generation, contributing to energy efficiency.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), the KA431ZTF is suitable for environments with varying humidity levels, ensuring long-term reliability.
• Compliance: The KA431ZTF is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.
• Packaging: Available in a Tape & Reel (TR) package, it facilitates efficient handling and assembly processes in manufacturing environments.

KA431ZTF Applications

The KA431ZTF is ideal for applications requiring a stable and precise voltage reference. Its adjustable output voltage and high output current capability make it suitable for:

• Power Supplies: As a reference voltage in linear and switching power supplies, ensuring stable and accurate output voltage regulation.
• Battery Management Systems: Providing a stable reference for voltage monitoring and control in battery charging and discharging circuits.
• Instrumentation: Used in precision measurement devices where accurate voltage references are critical for reliable performance.
• Telecommunications: In power management circuits of telecom equipment, ensuring stable operation under varying load conditions.
• Consumer Electronics: For voltage regulation in devices such as smartphones, tablets, and other portable electronics.

Conclusion of KA431ZTF

The KA431ZTF from onsemi is a versatile and reliable shunt voltage reference IC, offering adjustable output voltage, high output current, and low temperature coefficient. Its ±2% tolerance and low cathode current ensure precise and efficient performance. Although the product is now obsolete, its unique features and advantages make it a valuable component for applications requiring stable and accurate voltage references. The KA431ZTF's compliance with international regulations and its robust packaging further enhance its suitability for a wide range of industrial and consumer applications.