Overview
The LM317P, manufactured by STMicroelectronics, is a monolithic integrated circuit designed as a positive adjustable voltage regulator. It is available in the TO-220FP package and is intended for applications requiring a high degree of flexibility in voltage regulation. The LM317P can supply more than 1.5 A of load current with an output voltage adjustable over a range of 1.2 to 37 V, making it suitable for a wide variety of power supply needs.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage Range | 1.2 V to 37 V |
| Output Current | More than 1.5 A |
| Line and Load Regulation | 0.1% |
| Input Voltage - Min | 4.2 V |
| Package | TO-220FP |
| Operating Temperature Range | -40°C to 125°C (depending on the specific part number) |
| Polarity | Positive |
| Output Type | Adjustable |
Key Features
- Output voltage adjustable over a 1.2 to 37 V range
- Output current in excess of 1.5 A
- High line and load regulation (0.1%)
- Floating operation for high voltages
- Complete series of protections: current limiting, thermal shutdown, and SOA control
Applications
The LM317P is versatile and can be used in various applications, including industrial power supplies, portable electronics, and any system requiring adjustable voltage regulation. Its high current capability and adjustable output make it particularly suitable for powering a wide range of electronic devices.
Q & A
- What is the output voltage range of the LM317P?
The output voltage range of the LM317P is 1.2 V to 37 V. - What is the maximum output current of the LM317P?
The LM317P can supply more than 1.5 A of load current. - What is the minimum input voltage required for the LM317P?
The minimum input voltage required is 4.2 V. - What type of package is the LM317P available in?
The LM317P is available in the TO-220FP package. - What are the key protection features of the LM317P?
The LM317P includes current limiting, thermal shutdown, and SOA (Safe Operating Area) control. - What is the operating temperature range of the LM317P?
The operating temperature range is typically -40°C to 125°C, depending on the specific part number. - Is the LM317P suitable for high-voltage applications?
Yes, the LM317P supports floating operation for high voltages. - How is the output voltage of the LM317P adjusted?
The output voltage is adjusted using a resistive divider. - What is the line and load regulation of the LM317P?
The line and load regulation is 0.1%. - What are some common applications of the LM317P?
The LM317P is commonly used in industrial power supplies, portable electronics, and other systems requiring adjustable voltage regulation.
