Texas Instruments LM317LILPR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.81 | $0.81 |
| 15+ | $0.78 | $11.70 |
| 25+ | $0.77 | $19.25 |
| 50+ | $0.72 | $36.00 |
| 100+ | $0.64 | $64.00 |
| N+ | $0.13 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 38V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 32V |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 2.5 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB ~ 65dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92-3 |
The LM317LILPR from Texas Instruments is a versatile adjustable linear regulator delivering up to 100mA. Its output can be set from 1.2V to 32V using two external resistors, making it suitable for a wide range of applications. With a low quiescent current and excellent ripple rejection, it ensures stable performance in battery-powered and precision circuits. The TO-92 package is easy to integrate into through-hole designs.
- Adjustable Output Flexibility: Output voltage can be set from 1.2V to 32V with two resistors, covering many logic and analog rails.
- Low Quiescent Current (2.5 mA): Helps maximize battery life in portable and low-power applications.
- High PSRR (80dB @ 120Hz): Effectively filters input ripple, providing clean power for sensitive analog circuits.
- Wide Input Range (up to 32V): Allows operation from a variety of unregulated supplies and batteries.
Battery-Powered Devices
With a low quiescent current of 2.5 mA and adjustable output down to 1.2V, the LM317LILPR is ideal for extending battery life in portable instruments and sensors.
Precision Analog Circuits
The high PSRR (80dB at 120Hz) ensures clean, stable supply rails for op-amps, ADCs, and reference circuits, minimizing noise-induced errors.
Microcontroller Power Supplies
Generate a stable 3.3V or 5V rail from a higher input voltage (up to 32V) for MCU-based designs, with the adjustable output providing design flexibility.
Industrial Control Systems
The wide input range and 100mA output make it suitable for powering control logic, relays, and interface circuits in industrial environments.
Audio Equipment Biasing
Use the adjustable output to create precise bias voltages for audio amplifiers, leveraging the low noise and ripple rejection for cleaner sound.
Prototyping and Breadboarding
The TO-92 package and adjustable nature make it a staple for hobbyists and engineers prototyping various voltage rails quickly.
- Q: What is the output voltage range of the LM317LILPR?
- A: The LM317LILPR provides an adjustable output voltage from 1.2V up to 32V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V up to 32V, allowing flexible supply configurations.
- Q: What is the quiescent current?
- A: The quiescent current is typically 2.5 mA, making it suitable for low-power applications.
- Q: What package is the LM317LILPR available in?
- A: It comes in a TO-92-3 package, ideal for through-hole PCB mounting.
- Q: What is the PSRR performance?
- A: The power supply rejection ratio is 80dB to 65dB at 120Hz, providing good ripple rejection.
- Q: What is the output voltage range of the LM317LILPR?
- A: The LM317LILPR provides an adjustable output voltage from 1.2V up to 32V.
- Q: What is the maximum output current?
- A: This LDO regulator can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V up to 32V, allowing flexible supply configurations.
- Q: What is the quiescent current?
- A: The quiescent current is typically 2.5 mA, making it suitable for low-power applications.
- Q: What package is the LM317LILPR available in?
- A: It comes in a TO-92-3 package, ideal for through-hole PCB mounting.
- Q: What is the PSRR performance?
- A: The power supply rejection ratio is 80dB to 65dB at 120Hz, providing good ripple rejection.

LM317LILPR.pdf