The 1117 Datasheet is the key to understanding and effectively utilizing a family of popular low-dropout (LDO) voltage regulators. These regulators are essential components in countless electronic devices, providing stable and reliable power to sensitive circuits. The 1117 Datasheet provides crucial information about the regulator’s specifications, characteristics, and application, enabling engineers and hobbyists alike to design efficient and robust power supplies.
Understanding the 1117 Datasheet Core Information
The 1117 Datasheet is more than just a technical document; it’s a comprehensive guide to understanding the capabilities and limitations of the 1117 series regulators. It outlines the electrical characteristics of the device, including input voltage range, output voltage options (fixed and adjustable versions exist), output current capability, dropout voltage, and thermal resistance. This information is crucial for selecting the right 1117 variant for a specific application and ensuring it operates within its safe operating area. The datasheet also details the regulator’s internal circuitry and protection features, such as overcurrent protection and thermal shutdown, which safeguard the device and the connected load from damage.
Here’s a breakdown of some key sections you’ll find in a typical 1117 Datasheet:
- Absolute Maximum Ratings: These are the limits beyond which the device may be permanently damaged.
- Electrical Characteristics: This section provides detailed information about the regulator’s performance under various operating conditions.
- Typical Application Circuits: These diagrams show how to connect the regulator in common applications.
- Package Information: Details the physical dimensions and thermal characteristics of the package.
1117 regulators are widely used because of their simplicity, affordability, and versatility. They are found in applications ranging from battery-powered devices to linear power supplies and post-regulation for switching power supplies. The datasheet provides essential guidance for implementing these regulators effectively in a variety of circuits. The adjustable versions allow you to use resistors to configure the output voltage you want.
The 1117 series offers flexibility in package styles, often available in:
- SOT-223 (Surface Mount)
- TO-252 (D-PAK Surface Mount)
- TO-220 (Through-Hole)
| Parameter | Typical Value |
|---|---|
| Output Voltage | 1.2V to 5.0V (and adjustable) |
| Output Current | Up to 1A |
To gain a deeper understanding of the 1117 regulator and its potential applications, we strongly recommend consulting the official datasheet. You can refer to the datasheet provided by the manufacturer for precise technical details.