Overview
The LM317MDTXM is a 3-terminal adjustable positive voltage regulator produced by Fairchild Semiconductor, now part of ON Semiconductor. This monolithic integrated circuit is designed to supply up to 500 mA of load current with an output voltage adjustable over a range of 1.2 to 37 V. The device is available in the TO-252 3L (D-PAK) package and is known for its ease of use, requiring only a simple resistive divider to set the output voltage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 1.2 to 37 | V |
| Output Current | Up to 500 | mA |
| Line Regulation (Typical) | 0.01 % | % |
| Load Regulation (Typical) | 0.1 % | % |
| Thermal Overload Protection | Yes | - |
| Short Circuit Protection | Yes | - |
| Operating Junction Temperature Range | 0 to 125 | °C |
| Storage Temperature Range | -55 to 150 | °C |
Key Features
- Adjustable output voltage from 1.2 V to 37 V using a simple resistive divider.
- 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.
- Available in TO-252 3L (D-PAK) package.
Applications
- Power supplies for various electronic devices requiring adjustable voltage regulation.
- Battery chargers and power adapters.
- Industrial control systems and automation equipment.
- Medical devices and diagnostic equipment.
- Telecommunication and networking equipment.
Q & A
- What is the output voltage range of the LM317MDTXM?
The output voltage range is adjustable from 1.2 V to 37 V.
- What is the maximum output current of the LM317MDTXM?
The maximum output current is up to 500 mA.
- Does the LM317MDTXM have thermal overload protection?
Yes, it has internal thermal overload protection.
- What package types are available for the LM317MDTXM?
The device is available in the TO-252 3L (D-PAK) package.
- How is the output voltage set on the LM317MDTXM?
The output voltage is set using a simple resistive divider.
- What is the operating junction temperature range of the LM317MDTXM?
The operating junction temperature range is from 0 to 125°C.
- Does the LM317MDTXM have short circuit protection?
Yes, it has internal short circuit current limiting.
- What is the typical line regulation of the LM317MDTXM?
The typical line regulation is 0.01 %.
- What is the typical load regulation of the LM317MDTXM?
The typical load regulation is 0.1 %.
- Is the LM317MDTXM suitable for high voltage applications?
Yes, it supports floating operation for high voltage applications.
