The circuit in Figure 1 is a high-power analog of the popular TL431 programmable shunt regulator. This two-terminal circuit is convenient when the drain of the P-channel FET is grounded, since it ...

This file type includes high-resolution graphics and schematics when applicable. Did you know that your shunt regulator is in danger? Don’t worry—the fix is free (and free is good). A feedback circuit ...

Developed as a three-terminal shunt regulator, the popular and multiple-sourced TL431 IC offers designers many intriguing possibilities beyond its intended application. Internally, the TL431 comprises ...