Product Overview: TL431BQDBVRG4 from Texas Instruments

The TL431BQDBVRG4 is a precision programmable reference from Texas Instruments, renowned for its high stability and reliability across a wide range of applications. This versatile three-terminal adjustable shunt regulator with specified thermal stability can be used in a plethora of voltage regulation roles, from simple zener diode replacements to sophisticated feedback control loops in switch-mode power supplies.

With an output voltage range that can be set to any value between 2.495 V and 36 V with two external resistors, the TL431BQDBVRG4 offers excellent design flexibility. This device features a typical output impedance of 0.2 ohms, providing stable reverse current operation over a broad range of currents and temperatures.

The TL431BQDBVRG4 showcases a low output noise voltage, which is crucial for sensitive electronics where noise can adversely affect performance. Its fast turn-on response and a temperature-compensated design ensure that the device performs consistently under varying environmental conditions, making it ideal for use in temperature-critical applications.

Encased in a small DBV (SOT-23) package, the TL431BQDBVRG4 is suitable for space-constrained designs where efficient use of PCB real estate is essential. This product is characterized for operation from -40°C to 125°C, allowing it to be used in both commercial and industrial environments.

Key features of the TL431BQDBVRG4 include:

• Programmable output voltage from 2.495 V to 36 V
• Low dynamic output impedance: 0.2 ohms typical
• Fast turn-on response
• Temperature-compensated for stability over entire temperature range
• Low output noise voltage
• Wide operating temperature range: -40°C to 125°C
• SOT-23 package for compact design

Whether you're designing power supplies, battery chargers, or voltage and current regulation circuits, the TL431BQDBVRG4 is a reliable and flexible solution that delivers precision and performance. Texas Instruments' commitment to quality ensures that this voltage reference will maintain its accuracy and stability over its entire lifecycle, making it a smart choice for your critical design requirements.