Overview
The LM317MDT-001, produced by Motorola (now part of STMicroelectronics), is an adjustable three-terminal positive voltage regulator. This device is capable of supplying an output current in excess of 500 mA over an output voltage range of 1.2 V to 37 V. It is designed for ease of use, requiring only two external resistors to set the output voltage. The LM317MDT-001 is available in a DPAK package and is suitable for a wide variety of applications, including local, on-card regulation and as a simple adjustable switching regulator or programmable output regulator.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 1.2 to 37 | V |
| Output Current | 500 mA | |
| Input Voltage Range | 3 to 40 | V |
| Operating Temperature Range | 0 to 125 | °C |
| Input-Output Voltage Differential | 40 | Vdc |
| Line Regulation (Typical) | 0.01 % | |
| Load Regulation (Typical) | 0.1 % | |
| Package Type | DPAK | |
| Mounting Type | SMD |
Key Features
- Adjustable output voltage range from 1.2 V to 37 V.
- Output current in excess of 500 mA.
- Internal thermal overload protection and short circuit current limiting.
- Output transistor safe-area compensation.
- Floating operation for high voltage applications.
- Easy to use, requiring only two external resistors to set the output voltage.
- Eliminates the need for stocking many fixed voltage regulators.
Applications
- Local, on-card regulation.
- Simple adjustable switching regulators.
- Programmable output regulators.
- Precision current regulators by connecting a fixed resistor between the adjustment and output pins.
- High voltage applications due to floating operation capability.
Q & A
- What is the output voltage range of the LM317MDT-001?
The output voltage range is from 1.2 V to 37 V.
- What is the maximum output current of the LM317MDT-001?
The maximum output current is in excess of 500 mA.
- What type of protection does the LM317MDT-001 have?
The device has internal thermal overload protection and short circuit current limiting.
- How is the output voltage set on the LM317MDT-001?
The output voltage is set using only two external resistors.
- What is the operating temperature range of the LM317MDT-001?
The operating temperature range is from 0°C to 125°C.
- What package type is the LM317MDT-001 available in?
The device is available in a DPAK package.
- Does the LM317MDT-001 support floating operation for high voltage applications?
Yes, it supports floating operation for high voltage applications.
- What is the typical line regulation of the LM317MDT-001?
The typical line regulation is 0.01%.
- What is the typical load regulation of the LM317MDT-001?
The typical load regulation is 0.1%.
- Can the LM317MDT-001 be used as a precision current regulator?
Yes, it can be used as a precision current regulator by connecting a fixed resistor between the adjustment and output pins.
