ON Semiconductor TL431BVDG Adjustable Precision Shunt Regulator

The TL431BVDG from ON Semiconductor is a highly versatile adjustable precision shunt regulator that offers excellent temperature stability and output current handling capability. Designed to provide a reliable solution for voltage regulation in a wide array of electronic applications, this component is an essential building block for power supplies, voltage monitors, and other circuits where precision voltage regulation is crucial.

The TL431BVDG features a three-terminal adjustable shunt regulator with a specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.495 V) and 36 V with two external resistors. This device exhibits a low output noise voltage, making it suitable for precision applications.

With a typical dynamic output impedance of 0.2 ohms, the TL431BVDG offers an active output circuitry that provides a very sharp turn-on characteristic, making it an excellent replacement for zener diodes in many applications such as onboard regulation, adjustable power supplies, and switching power supplies. The device operates with a wide current range from 1 mA to 100 mA, ensuring flexibility across different use cases.

Key features of the TL431BVDG include:

• Adjustable output voltage from 2.495 V to 36 V
• Typical temperature compensated voltage reference of 2.495 V
• Low dynamic output impedance of 0.2 ohms
• Wide operating current range from 1 mA to 100 mA
• Excellent temperature stability
• Fast turn-on response

Additionally, the TL431BVDG is offered in a compact surface-mount package, making it suitable for space-constrained applications. It is also characterized for operation from -40°C to +125°C, ensuring reliable performance under extreme conditions. As a testament to its quality and reliability, the TL431BVDG is RoHS compliant and is designed to meet the stringent requirements of the automotive industry.

Whether you're designing a power supply or looking for a precise voltage reference, the TL431BVDG from ON Semiconductor is a dependable choice that combines performance, versatility, and reliability in one compact component.