onsemi

TL431ILPRE

TL431ILPRE Description

The TL431ILPRE is a precision shunt voltage reference integrated circuit (IC) designed for a wide range of power management applications. Manufactured by onsemi, this device offers an adjustable output voltage with a typical temperature coefficient of 50ppm/°C, ensuring stable performance across varying temperatures. The TL431ILPRE features a minimum output voltage of 2.495V and a maximum output voltage of 36V, providing flexibility in voltage regulation. It is capable of sourcing up to 100mA of output current, making it suitable for applications requiring higher current handling. The device is housed in a TO92-3 package, which is ideal for through-hole mounting, and it has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture exposure.

TL431ILPRE Features

• Adjustable Output Voltage: The TL431ILPRE provides an adjustable output voltage ranging from 2.495V to 36V, offering flexibility in voltage regulation.
• High Output Current: With a maximum output current of 100mA, this IC is capable of handling higher current loads compared to similar devices.
• Low Temperature Coefficient: A typical temperature coefficient of 50ppm/°C ensures minimal drift in reference voltage over a wide temperature range, enhancing stability.
• Precision Tolerance: The ±2.2% tolerance guarantees accurate voltage references, crucial for precision applications.
• Shunt Reference Type: As a shunt reference, the TL431ILPRE is ideal for voltage regulation circuits where a stable reference voltage is required.
• Through-Hole Mounting: The TO92-3 package with through-hole mounting is suitable for applications requiring robust mechanical stability and ease of installation.
• Moisture Sensitivity Level 1: The MSL rating of 1 indicates that the device is unaffected by moisture, making it suitable for various environmental conditions.

TL431ILPRE Applications

The TL431ILPRE is well-suited for a variety of power management applications where precise voltage regulation is essential. Some specific use cases include:

• Power Supplies: Ideal for use in linear and switching power supplies to provide a stable reference voltage for feedback control.
• Battery Chargers: Ensures accurate voltage regulation for charging batteries, prolonging their life and improving charging efficiency.
• Voltage Regulators: Can be used in voltage regulator circuits to maintain a stable output voltage under varying load conditions.
• Instrumentation: Provides a precision voltage reference for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) in measurement and control systems.
• Consumer Electronics: Suitable for applications in consumer electronics where reliable and stable voltage references are required.

Conclusion of TL431ILPRE

The TL431ILPRE from onsemi is a versatile and reliable shunt voltage reference IC, offering a range of features that make it suitable for various power management applications. Its adjustable output voltage, high output current capability, and low temperature coefficient ensure stable and accurate performance. Despite being marked as obsolete, the TL431ILPRE remains a valuable component for applications requiring a precision voltage reference. Its through-hole mounting and moisture sensitivity level 1 further enhance its suitability for a wide range of industrial and consumer applications.