Overview
The LM317MBDT, produced by Onsemi, is an adjustable three-terminal positive voltage regulator. It is renowned for its versatility and reliability in a wide range of electronic applications. This regulator can supply an output current in excess of 1.5 A over an adjustable output voltage range of 1.2 V to 37 V. Its ease of use, requiring only two external resistors to set the output voltage, makes it a popular choice for various projects, including power supplies, battery chargers, and voltage-controlled current sources.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage Range | 1.2 V to 37 V |
| Output Current | In excess of 1.5 A |
| Input Voltage Range | 3 V to 40 V |
| Operating Temperature | 0°C to 125°C |
| Storage Temperature | -65°C to 125°C |
| Package Type | DPAK-3 (TO-252) |
| Mounting | SMD (Surface Mount) |
| Thermal Shutdown | Yes |
| Current Limiting | Yes, internal short circuit current limiting |
| Safe Area Compensation | Yes |
| RoHS Compliance | Yes, Pb-free, Halogen Free/BFR Free |
Key Features
- Adjustable output voltage between 1.2 V and 37 V
- Output current in excess of 1.5 A
- Internal thermal overload protection and short circuit current limiting
- Safe area compensation for output transistor
- Floating operation for high voltage applications
- Ease of use with only two external resistors required to set output voltage
- Available in DPAK-3 (TO-252) surface mount package
- Pb-free, Halogen Free/BFR Free, and RoHS compliant
Applications
The LM317MBDT is widely used in various electronic circuits, including power supplies, battery chargers, and voltage-controlled current sources. It is also utilized in automotive, industrial, and communication applications where stable and adjustable voltage output is required. Its versatility makes it suitable for local, on-card regulation and as a programmable output regulator or precision current regulator.
Q & A
- What is the output voltage range of the LM317MBDT?
The output voltage range is 1.2 V to 37 V. - What is the maximum output current of the LM317MBDT?
The maximum output current is in excess of 1.5 A. - What is the input voltage range for the LM317MBDT?
The input voltage range is 3 V to 40 V. - Does the LM317MBDT have thermal shutdown protection?
Yes, it has internal thermal overload protection. - How is the output voltage set for the LM317MBDT?
The output voltage is set using two external resistors. - What type of package does the LM317MBDT come in?
The LM317MBDT comes in a DPAK-3 (TO-252) surface mount package. - Is the LM317MBDT RoHS compliant?
Yes, it is Pb-free, Halogen Free/BFR Free, and RoHS compliant. - What are some common applications of the LM317MBDT?
Common applications include power supplies, battery chargers, and voltage-controlled current sources, as well as automotive, industrial, and communication applications. - Can the LM317MBDT be used as a precision current regulator?
Yes, by connecting a fixed resistor between the adjustment and output terminals. - What is the operating temperature range for the LM317MBDT?
The operating temperature range is 0°C to 125°C.
