The LM317 Adjustable Voltage Regulator Module is a versatile and widely used electronic component that provides a stable output voltage across a wide range of applications. Here’s a detailed product description highlighting its features, specifications, applications, and benefits:
Key Features:
- Adjustable Output Voltage: Allows the user to set the output voltage anywhere between 1.25V to 37V using external resistors.
- High Stability: Provides a stable output voltage with low ripple and noise, making it suitable for powering sensitive electronic circuits.
- Current Limiting: Built-in current limiting and thermal shutdown protection ensure safe operation under varying load conditions.
- Wide Input Voltage Range: Accepts input voltages from 3V to 40V, making it compatible with various power sources.
- Compact Design: Small module size with convenient screw terminal connections for easy integration into projects.
- Adjustable Output Current: The current output can be adjusted by using an external resistor, enabling flexibility in powering different loads.
Applications:
- Power Supply: Ideal for creating adjustable power supplies for hobbyist projects, prototypes, and electronic circuits.
- Battery Charger: Can be used as a variable voltage battery charger for different battery chemistries.
- Voltage Regulation: Used in various applications requiring stable and adjustable voltage outputs, such as instrumentation and control systems.
- LED Driver: Suitable for driving LEDs with precise current and voltage control.
- Audio Amplifiers: Provides regulated voltage for powering audio amplifiers and other audio equipment.
- Testing and Prototyping: Essential for testing and prototyping electronic circuits that require variable voltage sources.
Specifications:
- Input Voltage: 3V to 40V DC
- Output Voltage: 1.25V to 37V DC (adjustable)
- Output Current: Up to 1.5A (with heatsink), typical 1A without heatsink
- Adjustment Pin Current: 50μA typical
- Ripple Rejection: 80dB typical
- Operating Temperature: 0°C to +125°C
- Dimensions: Compact module size, varies by manufacturer
- Protection: Thermal shutdown and current limiting
- Output Noise: Low output noise suitable for sensitive electronics
Benefits:
- Flexibility: Adjustable output voltage and current capabilities suit a wide range of applications.
- Reliability: Built-in protection features ensure safe and reliable operation.
- Ease of Use: Simple interface with screw terminals for quick and secure connections.
- Cost-effective: Provides an affordable solution for creating adjustable voltage sources compared to discrete components.
- Versatility: Suitable for both hobbyist and professional electronics projects due to its wide input voltage range and adjustable output.
How to Use:
- Input Power: Connect the input power supply within the specified voltage range.
- Output Configuration: Set the desired output voltage using external resistors according to the LM317 datasheet.
- Load Connection: Connect the load to the output terminals ensuring proper current ratings are observed.
- Adjustment: Fine-tune the output voltage using the adjustment pin for precise voltage control.
Why Choose the LM317 Adjustable Voltage Regulator Module?
The LM317 Adjustable Voltage Regulator Module offers versatility, stability, and ease of use for creating adjustable voltage sources in various electronic applications. Whether you are a hobbyist, engineer, or educator, this module provides essential voltage regulation capabilities with reliability and precision.
Experience reliable and adjustable voltage regulation with the LM317 Adjustable Voltage Regulator Module. Perfect for DIY electronics, prototyping, and power supply projects.
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