onsemi LM317MBTG
| 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 | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220 |
| ROHS |
The LM317MBTG from onsemi is a versatile adjustable linear voltage regulator designed for applications requiring a stable, low-noise DC supply. With an output range from 1.2V to 37V and a maximum current of 500mA, it offers flexibility for a wide variety of circuits. Its TO-220 package ensures efficient heat dissipation, while the 10 mA quiescent current and excellent PSRR make it suitable for audio and precision analog designs.
- Wide Adjustable Output: 1.2V to 37V range provides design flexibility for multiple voltage rails without changing components.
- High PSRR (80dB to 65dB): Effectively filters supply noise, critical for audio and precision measurement circuits.
- Robust TO-220 Package: Excellent thermal performance for continuous 500mA operation in industrial environments.
- Proven onsemi Reliability: Trusted manufacturer with consistent quality for long-life applications.
Adjustable Power Supply for Lab Equipment
With an adjustable output from 1.2V to 37V, the LM317MBTG is ideal for benchtop power supplies where precise voltage tuning is required for testing various electronic circuits.
Battery Charger Circuits
The 500mA current capability and adjustable voltage make it suitable for charging batteries like NiMH or Li-ion with a constant voltage/current profile.
Audio Amplifier Biasing
Its high PSRR of 80dB to 65dB at 120Hz helps reduce power supply noise in audio preamplifiers, ensuring clean DC rails for sensitive analog stages.
Industrial Sensor Power
In industrial control systems, the LM317MBTG can provide a stable, adjustable rail for sensors and transducers operating from 12V or 24V supplies.
Prototyping and Education
For hobbyists and students, this regulator in TO-220 package is easy to breadboard and solder, making it a staple for learning linear regulation principles.
Telecom Line Cards
The wide input range allows direct regulation from telecom battery voltages (e.g., 24V or 48V) down to logic levels for line interface circuits.
- Q: What is the output voltage range of the LM317MBTG?
- A: The LM317MBTG provides an adjustable output voltage from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to 37V, allowing flexible supply configurations.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided technical data.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is the LM317MBTG available in?
- A: It comes in the TO-220 package, suitable for through-hole mounting.
- Q: What is the output voltage range of the LM317MBTG?
- A: The LM317MBTG provides an adjustable output voltage from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to 37V, allowing flexible supply configurations.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided technical data.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is the LM317MBTG available in?
- A: It comes in the TO-220 package, suitable for through-hole mounting.

LM317MBTG.pdf