The STMicroelectronics LD1117V33 is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage of 3.3V with a maximum output current of 800mA. This device is widely used in various applications, including microcontrollers, digital circuits, and other electronic devices that require a reliable and efficient power supply. The LD1117V33 is known for its low dropout voltage, high accuracy, and thermal protection features, making it a popular choice among engineers and designers.
## Key Specifications:
1. Output Voltage: 3.3V (fixed)
2. Output Current: Up to 800mA
3. Input Voltage Range: 4.75V to 15V
4. Dropout Voltage:
- Typically 1.2V at 800mA
- Typically 0.5V at 100mA
5. Line Regulation: 0.2% (typical) for a 1V change in input voltage
6. Load Regulation: 0.5% (typical) for a change in load current from 0 to 800mA
7. Quiescent Current: 5mA (typical)
8. Temperature Range:
- Operating: -40°C to +125°C
- Storage: -65°C to +150°C
9. Thermal Protection: Integrated thermal shutdown feature to prevent overheating
10. Package Options: Available in various packages, including TO-220, DPAK, and SOT-223.
## Features:
- Low Dropout Voltage: The LD1117V33 is designed to operate with a low dropout voltage, allowing it to maintain regulation even when the input voltage is close to the output voltage. This feature is particularly useful in battery-powered applications where maximizing battery life is essential.
- High Output Current: With a maximum output current of 800mA, this LDO can support a wide range of applications, from powering microcontrollers to driving sensors and other peripherals.
- Thermal Protection: The built-in thermal shutdown feature protects the device from damage due to excessive heat, ensuring reliable operation under varying load conditions.
- Low Noise: The LD1117V33 provides a low-noise output, making it suitable for sensitive applications such as RF circuits and audio devices.
- Easy to Use: The device requires only a few external components for operation, simplifying the design process and reducing the overall footprint on the PCB.
## Applications:
The STMicroelectronics LD1117V33 is
