onsemi LM317MTG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.17 | $1.17 |
| 15+ | $1.13 | $16.95 |
| 25+ | $1.11 | $27.75 |
| 50+ | $1.05 | $52.50 |
| 100+ | $0.92 | $92.00 |
| N+ | $0.18 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB ~ 65dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220 |
| ROHS |  |
The LM317MTG from onsemi is a versatile adjustable linear regulator offering an output range from 1.2V to 37V with up to 500mA of current. Its TO-220 package allows easy heatsinking for higher power dissipation. With excellent PSRR of 80dB at 120Hz, it delivers clean, stable power for audio, lighting, and general-purpose applications.
- Adjustable Output: 1.2V to 37V range provides maximum design flexibility.
- Excellent Noise Rejection: 80dB PSRR at 120Hz ensures clean power for audio circuits.
- Thermal Protection: Built-in current limiting and thermal shutdown protect against overloads.
- Easy Heatsinking: TO-220 package allows efficient heat dissipation for higher current loads.
Variable Bench Power Supplies
Adjustable 1.2V to 37V output makes it ideal for hobbyist and lab power supplies, with 500mA for prototyping.
LED Driver Circuits
Set as a constant current source, it drives high-brightness LEDs in lighting fixtures, with PSRR up to 80dB for flicker-free operation.
Battery Chargers
Configured with external resistors, it provides precise voltage/current for charging lead-acid or lithium batteries.
Audio Preamplifier Supply
Low noise and 80dB PSRR at 120Hz make it suitable for powering sensitive audio op-amps and phono stages.
Solar Charge Controllers
Regulates variable solar panel output to a stable voltage for battery charging in off-grid systems.
DIY Electronics Projects
TO-220 package with thermal shutdown makes it a reliable choice for custom power supplies in educational kits.
- Q: What is the output voltage range?
- A: The LM317MTG is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 3V to 40V (absolute maximum).
- Q: What is the dropout voltage?
- A: Dropout voltage is typically 2V (not specified in data, but typical for LM317 family).
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is available?
- A: It comes in the TO-220 package, suitable for heatsinking.
LM317MTG.pdf
- Q: What is the output voltage range?
- A: The LM317MTG is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 3V to 40V (absolute maximum).
- Q: What is the dropout voltage?
- A: Dropout voltage is typically 2V (not specified in data, but typical for LM317 family).
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is available?
- A: It comes in the TO-220 package, suitable for heatsinking.
