Overview
The LM317MABDTRK is an adjustable three-terminal positive linear voltage regulator produced by onsemi. This device is capable of supplying in excess of 500 mA over an output voltage range of 1.2 V to 37 V. It is exceptionally easy to use, requiring only two external resistors to set the output voltage. The LM317MABDTRK employs internal current limiting, thermal shutdown, and safe area compensation, making it essentially blow-out proof. This regulator is versatile and can be used in various applications, including local on-card regulation, adjustable switching regulators, programmable output regulators, and precision current regulators.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 1.2 to 37 | V |
| Output Current | In excess of 500 | mA |
| Line Regulation (Typical) | 0.01 | %/V |
| Load Regulation (Typical) | 0.1 | % |
| Internal Thermal Overload Protection | Yes | |
| Internal Short Circuit Current Limiting | Yes | |
| Output Transistor Safe-Area Compensation | Yes | |
| Package Type | DPAK-3 | |
| Polarity | Positive | |
| Minimum Input Voltage | 3.1 | V |
| Maximum Input Voltage | 40 | V |
Key Features
- Output voltage adjustable between 1.2 V and 37 V using only two external resistors.
- 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.
- Pb-free packages available and RoHS compliant.
- NCV prefix for automotive and other applications requiring site control changes.
Applications
- Local, on-card regulation.
- Adjustable switching regulators.
- Programmable output regulators.
- Precision current regulators.
- Desktop PCs.
- Digital signage and still cameras.
- ECG electrocardiograms.
- EV HEV chargers: levels 1, 2, and 3.
- Electronic shelf labels.
- Energy harvesting.
- Telematics and infotainment.
- Consumer products.
- Automotive).
Q & A
- What is the output voltage range of the LM317MABDTRK?
The output voltage range is adjustable between 1.2 V and 37 V).
- What is the maximum output current of the LM317MABDTRK?
The maximum output current is in excess of 500 mA).
- How do you set the output voltage of the LM317MABDTRK?
The output voltage is set using only two external resistors).
- Does the LM317MABDTRK have thermal overload protection?
Yes, it has internal thermal overload protection).
- What type of package is the LM317MABDTRK available in?
The LM317MABDTRK is available in a DPAK-3 package).
- Is the LM317MABDTRK RoHS compliant?
Yes, the LM317MABDTRK is RoHS compliant and Pb-free).
- Can the LM317MABDTRK be used as a precision current regulator?
Yes, by connecting a fixed resistor between the adjustment and output terminals).
- What are some common applications of the LM317MABDTRK?
Common applications include local on-card regulation, adjustable switching regulators, and precision current regulators).
- Does the LM317MABDTRK have short circuit current limiting?
Yes, it has internal short circuit current limiting).
- What is the minimum input voltage required for the LM317MABDTRK?
The minimum input voltage is 3.1 V).
