LM1117IMPX-3.3

The LM1117IMPX-3.3 is a low-dropout (LDO) linear voltage regulator from Texas Instruments, designed to provide a stable 3.3V output voltage with minimal dropout. It is ideal for powering digital circuits and other electronic devices requiring precise voltage regulation. Here’s a detailed description:

Description:

• Type: Low-Dropout Linear Voltage Regulator
• Manufacturer: Texas Instruments
• Package: TO-252 (also known as D-Pak, a surface-mount package with 3 pins)
• Output Voltage: 3.3V
• Input Voltage Range: Typically 4.75V to 12V
• Dropout Voltage: Typically 1.1V at 800 mA load
• Output Current: Up to 800 mA
• Temperature Range: -40°C to +125°C (Industrial grade)
• Regulation: Provides excellent load and line regulation

Key Features:

• Low Dropout Voltage: Ensures stable 3.3V output even when the input voltage is only slightly higher than the output voltage.
• High Output Current: Capable of delivering up to 800 mA of current, suitable for various applications.
• Precision Output Voltage: Fixed output voltage of 3.3V with tight tolerance, ensuring reliable performance.
• Thermal Overload Protection: Includes thermal protection to prevent damage in high-temperature conditions.
• Short-Circuit Protection: Built-in short-circuit protection to safeguard against overload situations.
• Low Noise and Ripple: Delivers low output noise and ripple, making it suitable for sensitive applications.
• Compact Package: TO-252 package for space-efficient design and easy surface-mount assembly.

Applications:

• Digital Circuit Power Supply: Provides stable 3.3V for powering microcontrollers, sensors, and other digital components.
• Embedded Systems: Ideal for embedded systems requiring a reliable and precise voltage regulator.
• Consumer Electronics: Used in various consumer devices that need a stable 3.3V power supply.
• Communication Equipment: Ensures stable operation in communication devices requiring 3.3V regulation.

Package Dimensions:

• TO-252: A compact surface-mount package with three pins, suitable for space-constrained designs and easy integration into circuits.

Reference Documents:

For detailed technical specifications, application circuits, and design guidelines, refer to the LM1117IMPX-3.3 datasheet provided by Texas Instruments. These documents are available on Texas Instruments’ official website.