STMicroelectronics LM317MDT-TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.66 | $0.66 |
| 15+ | $0.43 | $6.45 |
| 25+ | $0.42 | $10.50 |
| 50+ | $0.40 | $20.00 |
| 100+ | $0.35 | $35.00 |
| N+ | $0.07 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 | Surface Mount |
| Package / Case | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Supplier Device Package | DPAK |
| ROHS |  |
The LM317MDT-TR from STMicroelectronics is a versatile adjustable linear voltage regulator. It delivers a stable output from 1.2V to 37V with a maximum current of 500mA. Housed in a DPAK package, it offers excellent power dissipation. With a high PSRR of up to 80dB, it effectively filters noise, making it suitable for audio and precision analog applications. Its adjustable nature provides design flexibility for a wide range of power supply needs.
- Adjustable Output (1.2V to 37V): Provides design flexibility, eliminating the need for multiple fixed-voltage regulators.
- High PSRR (80dB): Effectively rejects power supply noise, ensuring clean power for sensitive audio and measurement circuits.
- Robust DPAK Package: Offers excellent thermal performance, enabling reliable operation at up to 500mA.
- Proven STMicroelectronics Design: A trusted, industry-standard solution for reliable voltage regulation.
Adjustable Power Supplies
Use the LM317MDT-TR to create a variable bench power supply. Its 1.2V to 37V output range and 500mA current capability make it ideal for prototyping and testing circuits that require a non-standard voltage.
Battery Chargers
Implement a simple, adjustable constant-voltage charger for lead-acid or lithium batteries. The adjustable output allows precise setting of the float voltage, while the 500mA output is suitable for small to medium capacity cells.
Audio Equipment Biasing
Provide a clean, low-noise bias supply for audio preamplifiers and op-amps. The high PSRR (80dB at 120Hz) helps reject mains hum, ensuring a quiet audio signal path.
Industrial Sensor Power
Power industrial sensors and transducers that require a stable, adjustable supply voltage. The DPAK package allows for effective heat dissipation, ensuring reliable operation in demanding environments.
Laboratory Test Equipment
Build a precision voltage reference for calibration and testing. The adjustable output and good line regulation make it a versatile building block for custom test fixtures.
LED Driver Circuits
Drive LED strings with a constant voltage. The adjustable output allows you to match the LED forward voltage, while the 500mA current limit protects the LEDs from overcurrent.
- Q: What is the output voltage range of the LM317MDT-TR?
- A: The output voltage is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to 37V.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the package type?
- A: The LM317MDT-TR comes in a DPAK package.
- Q: What is the PSRR performance?
- A: The PSRR is 80dB to 65dB at 120Hz.
LM317MDT-TR.pdf
- Q: What is the output voltage range of the LM317MDT-TR?
- A: The output voltage is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to 37V.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the package type?
- A: The LM317MDT-TR comes in a DPAK package.
- Q: What is the PSRR performance?
- A: The PSRR is 80dB to 65dB at 120Hz.
