Sipex SP317LN1-L/TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.28 | $0.28 |
| 15+ | $0.06 | $0.90 |
| 25+ | $0.06 | $1.50 |
| 50+ | $0.06 | $3.00 |
| 100+ | $0.05 | $5.00 |
| N+ | $0.01 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Sipex |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 12V |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | - |
| Current - Supply (Max) | - |
| PSRR | 70dB ~ 62dB (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-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92 |
| ROHS |
The SP317LN1-L/TR is a fixed 12V linear regulator capable of delivering 100mA. Packaged in TO-92, it operates from a minimum input of 1.2V and offers excellent PSRR of 70dB to 62dB at 120Hz, making it ideal for noise-sensitive applications. Its low current capability suits compact, low-power designs.
- High PSRR: 70dB to 62dB at 120Hz effectively filters supply noise, critical for audio and precision analog circuits.
- Low Input Operation: Operates from 1.2V input, enabling use in low-voltage battery systems.
- Compact TO-92: Small footprint for space-limited designs, easy through-hole mounting.
- Fixed 12V Output: Simplifies design with no external components required for voltage setting.
Low-Voltage Microcontroller Supply
Regulate a stable 12V from a 1.2V input for microcontrollers in energy-harvesting or battery-powered IoT devices, ensuring reliable operation.
Sensor Power Conditioning
Provide clean 12V to precision sensors in industrial monitoring, leveraging high PSRR to reject noise from switching converters.
Portable Medical Devices
Power low-current medical monitors or wearable devices, benefiting from the compact TO-92 package and low power dissipation.
Automotive Electronics
Use in automotive control modules to generate a stable 12V rail for auxiliary circuits, with PSRR ensuring immunity to alternator ripple.
Reference Voltage Source
Serve as a fixed 12V reference for analog comparators or ADC circuits in test equipment, improving measurement repeatability.
Battery Charger Control
Regulate 12V for charger control logic in portable devices, maintaining consistent voltage despite battery voltage variations.
- Q: What is the output voltage of the SP317LN1-L/TR?
- A: The output voltage is fixed at 12V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage is 1.2V (minimum).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the PSRR?
- A: PSRR is 70dB to 62dB at 120Hz.
- Q: What package is available?
- A: The SP317LN1-L/TR is available in a TO-92 package.
- Q: What is the output voltage of the SP317LN1-L/TR?
- A: The output voltage is fixed at 12V.
- Q: What is the maximum output current?
- A: The maximum output current is 100mA.
- Q: What is the input voltage range?
- A: The input voltage is 1.2V (minimum).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the PSRR?
- A: PSRR is 70dB to 62dB at 120Hz.
- Q: What package is available?
- A: The SP317LN1-L/TR is available in a TO-92 package.

SP317LN1-L/TR.pdf