onsemi LM317MSTT3G
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.93 | $0.93 |
| 15+ | $0.90 | $13.50 |
| 25+ | $0.88 | $22.00 |
| 50+ | $0.83 | $41.50 |
| 100+ | $0.74 | $74.00 |
| N+ | $0.15 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| 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-261-4, TO-261AA |
| Supplier Device Package | SOT-223 (TO-261) |
| ROHS |  |
The onsemi LM317MSTT3G is a versatile adjustable linear regulator designed for a wide range of applications. It delivers a stable output voltage from 1.2V to 37V with a maximum current of 500mA. Housed in a compact SOT-223 package, it offers excellent power supply rejection, making it ideal for noise-sensitive circuits. Its adjustable nature provides design flexibility for various power management needs.
- Adjustable Output Flexibility: The 1.2V to 37V output range allows a single part to replace multiple fixed-voltage regulators, simplifying inventory and design.
- High Power Supply Rejection: With 80dB to 65dB PSRR at 120Hz, it effectively filters ripple, ensuring clean power for sensitive analog and digital circuits.
- Compact SOT-223 Package: The small footprint is ideal for space-constrained designs, enabling high-density PCB layouts without sacrificing performance.
- Reliable onsemi Quality: Manufactured by onsemi, this regulator ensures robust performance and long-term reliability for demanding applications.
Adjustable Power Supply for Microcontrollers
The LM317MSTT3G's adjustable 1.2V to 37V output makes it ideal for powering microcontrollers that require a specific, non-standard voltage. Its 500mA current capability is sufficient for most MCU boards and peripheral sensors.
Battery-Powered Equipment Regulation
In battery-powered devices, the low quiescent current of 10 mA helps extend battery life. The regulator maintains a stable output voltage as the battery discharges, ensuring consistent performance of the connected circuitry.
Precision Analog Circuits
With a high PSRR of 80dB to 65dB at 120Hz, this LDO effectively filters out power supply noise. This makes it suitable for powering precision analog circuits like operational amplifiers and data converters where a clean supply rail is critical.
Industrial Sensor Interfaces
The SOT-223 package is compact and suitable for space-constrained industrial sensor modules. The adjustable output allows for easy calibration of sensor supply voltages, and the robust design handles typical industrial voltage variations.
LED Driver with Current Limiting
By configuring the LM317MSTT3G as a constant current source, it can drive LEDs with a stable current. The adjustable nature allows for precise current setting, ensuring consistent LED brightness and longevity.
Prototyping and Development Boards
For engineers and hobbyists, this regulator is a versatile building block on breadboards and custom PCBs. Its adjustable output eliminates the need for multiple fixed-voltage regulators, simplifying the BOM and design process.
- Q: What is the output voltage range of the LM317MSTT3G?
- A: The output voltage is adjustable from 1.2V up 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 dropout voltage?
- A: The dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: The LM317MSTT3G is available in a SOT-223 (TO-261) package.
LM317MSTT3G.pdf
- Q: What is the output voltage range of the LM317MSTT3G?
- A: The output voltage is adjustable from 1.2V up 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 dropout voltage?
- A: The dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: The LM317MSTT3G is available in a SOT-223 (TO-261) package.
