STMICROELECTRONICS L7805 Positive Voltage Regulator, 5V, 1.5A, D2PAK

The STMICROELECTRONICS L7805CD2T-TR is a robust, three-terminal positive voltage regulator IC from the renowned L78 series. It provides a stable 5V output with a maximum current of 1.5A, making it an essential component for a vast array of electronic applications. This device is designed for reliable, on-card voltage regulation, effectively eliminating the noise and stability issues associated with remote, single-point power supplies.

Engineered for durability, the regulator incorporates several key protection features. Internal current limiting, thermal shutdown, and safe area protection work in concert to make the IC highly resilient, safeguarding it against overload conditions. With appropriate heat sinking, it can reliably deliver over 1A of output current. While its primary function is as a fixed 5V regulator, its versatility allows it to be used with external components to create adjustable voltage and current supplies.

Key Specifications & Features

• Fixed Output: Provides a stable 5V DC output voltage.
• High Current: Capable of delivering up to 1.5A output current.
• Integrated Protections: Features thermal overload protection, short-circuit protection, and output transition safe operating area (SOA) protection.
• Excellent Regulation: Offers a high supply voltage rejection of 68dB minimum and low output noise.
• Wide Input Range: Accepts a DC input voltage up to 35V.
• Surface Mount Package: Supplied in a D²PAK (TO-263) package for robust surface-mount assembly.
• Extended Temperature Range: Operates reliably across a junction temperature range of 0°C to 125°C.

This regulator is a proven solution for powering microcontrollers, digital logic circuits, sensors, and other low-voltage components, providing clean, regulated power from a higher, unregulated source.