Overview
The LM317D2TR4G is an adjustable 3-terminal positive voltage regulator produced by onsemi. This device is capable of supplying an output current in excess of 1.5 A over a wide output voltage range of 1.2 V to 37 V. It is known for its ease of use, requiring only two external resistors to set the desired output voltage. The LM317D2TR4G features internal current limiting, thermal shutdown, and safe area compensation, making it highly reliable and essentially blow-out proof.
Key Specifications
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Maximum Output Current | 1.5 A |
| Regulator Type | Linear Voltage |
| Number of Outputs | 1 |
| Output Voltage Range | 1.2 V to 37 V |
| Package Type | D2PAK-3 (Pb-Free) |
| Operating Temperature Range | 0°C to +125°C |
| Thermal Resistance Junction-to-Case | 5.0 °C/W |
| Power Dissipation | Up to 20 W |
Key Features
- Output current in excess of 1.5 A
- Output voltage adjustable between 1.2 V and 37 V
- Internal thermal overload protection
- Internal short circuit current limiting constant with temperature
- Output transistor safe-area compensation
- Floating operation for high voltage applications
- Available in surface mount D2PAK-3 and standard 3-lead transistor package
- Pb-Free, Halogen Free/BFR Free, and RoHS compliant
Applications
The LM317D2TR4G is versatile and can be used in a variety of applications, including local on-card regulation, programmable output regulators, and precision current regulators. It is suitable for high voltage applications due to its floating operation capability. Additionally, it can be used in automotive and other applications requiring unique site and control change requirements, as it is AEC-Q100 qualified and PPAP capable.
Q & A
- What is the maximum output current of the LM317D2TR4G?
The maximum output current of the LM317D2TR4G is 1.5 A. - What is the output voltage range of the LM317D2TR4G?
The output voltage range is from 1.2 V to 37 V. - What type of protection does the LM317D2TR4G have?
The LM317D2TR4G has internal thermal overload protection and internal short circuit current limiting. - What package type is the LM317D2TR4G available in?
The LM317D2TR4G is available in the D2PAK-3 (Pb-Free) package. - Is the LM317D2TR4G RoHS compliant?
Yes, the LM317D2TR4G is Pb-Free, Halogen Free/BFR Free, and RoHS compliant. - What is the operating temperature range of the LM317D2TR4G?
The operating temperature range is from 0°C to +125°C. - Can the LM317D2TR4G be used in high voltage applications?
Yes, the LM317D2TR4G can be used in high voltage applications due to its floating operation capability. - Is the LM317D2TR4G suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements. - How do you set the output voltage of the LM317D2TR4G?
The output voltage can be set using two external resistors. - What is the thermal resistance junction-to-case of the LM317D2TR4G?
The thermal resistance junction-to-case is 5.0 °C/W.
