ON Semiconductor NCP1117ST12T3 Voltage Regulator

The NCP1117ST12T3 is a robust and reliable fixed output voltage regulator from ON Semiconductor, designed to provide a precise 1.2V output voltage. This linear voltage regulator is part of the NCP1117 series, known for its high accuracy and low dropout performance, making it an ideal choice for various applications that require a stable and regulated power supply.

With an ability to deliver up to 1A of continuous output current, the NCP1117ST12T3 is well-suited for powering sensitive electronic components in a range of devices, including consumer electronics, industrial control systems, and embedded applications. Its low dropout voltage ensures efficient operation even when the input voltage is close to the output voltage, which is particularly beneficial in battery-powered devices where maximizing battery life is critical.

The device features thermal shutdown and current limit protections, safeguarding the regulator and the load from adverse conditions. The thermal shutdown mechanism activates when the junction temperature exceeds the preset threshold, temporarily suspending operation to prevent damage, while the current limit protection prevents the output current from exceeding the maximum allowable level.

Encased in an SOT-223 package, the NCP1117ST12T3 is compact and offers a small footprint on the PCB, making it a space-saving solution for tight designs. The regulator's simple external capacitor requirements facilitate ease of use and design flexibility, allowing for quick integration into various circuit configurations.

Key Features of the NCP1117ST12T3:

• Fixed output voltage of 1.2V
• Up to 1A of output current
• Low dropout voltage for efficient operation
• Thermal shutdown and current limit protection
• Stable with low-ESR output capacitors
• Compact SOT-223 package

The NCP1117ST12T3 from ON Semiconductor is a reliable and efficient solution for applications requiring a stable 1.2V power supply. Its combination of features and protections ensures performance and durability, making it a versatile component for designers and engineers.