Overview
The LM317MBDTRKG is an adjustable three-terminal positive linear voltage regulator produced by onsemi. It is capable of supplying in excess of 500 mA over an output voltage range of 1.2 V to 37 V. This regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. It features internal current limiting, thermal shutdown, and safe area compensation, making it essentially blow-out proof. The LM317MBDTRKG is suitable for a wide variety of applications, including local, on-card regulation, and can be used as an adjustable switching regulator, a programmable output regulator, or a precision current regulator.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current | 500 | mA |
| Output Voltage Range | 1.2 to 37 | V |
| Input Voltage Range | 3 to 40 | V |
| Line Regulation | 0.01 to 0.04 | %/V |
| Load Regulation | 0.5 to 1.5 | mV |
| Ripple Rejection | 66 to 80 | dB |
| Thermal Shutdown | 180 | °C |
| Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | -65 to 150 | °C |
| Package Type | DPAK-3 |
Key Features
- Output current in excess of 500 mA
- Output voltage adjustable between 1.2 V and 37 V
- Internal thermal overload protection and short circuit current limiting
- Output transistor safe-area compensation
- Floating operation for high voltage applications
- Eliminates the need for stocking many fixed voltages
- Pb-free packages available
- 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
- White goods and appliances
- Desktop PCs
- Energy harvesting
- Telematics and infotainment
- Consumer products
- Automotive applications
Q & A
- What is the output current range of the LM317MBDTRKG?
The LM317MBDTRKG can supply an output current in excess of 500 mA. - What is the adjustable output voltage range of the LM317MBDTRKG?
The output voltage is adjustable between 1.2 V and 37 V. - What are the key protection features of the LM317MBDTRKG?
The LM317MBDTRKG features internal current limiting, thermal shutdown, and safe area compensation. - How do you set the output voltage of the LM317MBDTRKG?
The output voltage is set using two external resistors. - What are some common applications of the LM317MBDTRKG?
Common applications include local, on-card regulation, adjustable switching regulators, programmable output regulators, and precision current regulators. - What is the maximum junction temperature of the LM317MBDTRKG?
The maximum junction temperature is 150°C. - What is the storage temperature range for the LM317MBDTRKG?
The storage temperature range is -65°C to 150°C. - Is the LM317MBDTRKG available in Pb-free packages?
Yes, Pb-free packages are available. - What is the ripple rejection of the LM317MBDTRKG?
The ripple rejection is between 66 dB and 80 dB. - Can the LM317MBDTRKG be used in high voltage applications?
Yes, it supports floating operation for high voltage applications.
