Texas Instruments LM317LZ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.67 | $0.67 |
| 15+ | $0.64 | $9.60 |
| 25+ | $0.63 | $15.75 |
| 50+ | $0.60 | $30.00 |
| 100+ | $0.53 | $53.00 |
| N+ | $0.11 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| 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 | 100mA |
| Current - Quiescent (Iq) | 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) |
| Supplier Device Package | TO-92-3 |
| ROHS |  |
The LM317LZ/NOPB is an adjustable linear voltage regulator from Texas Instruments, offering an output voltage range from 1.2V to 37V with a maximum current of 100mA. It operates with an input voltage from 1.2V to 37V and features a quiescent current of 5 mA. The device provides excellent power-supply rejection (80dB to 65dB at 120Hz), making it suitable for audio and precision analog applications. Housed in a TO-92-3 package, it is a reliable choice for through-hole designs requiring adjustable regulation.
- Adjustable Output Flexibility: Output can be set from 1.2V to 37V with two external resistors, covering a wide range of applications.
- High Ripple Rejection: 80dB PSRR at 120Hz minimizes mains hum in audio and instrumentation circuits.
- Robust Protection: Includes internal current limiting and thermal shutdown, enhancing system safety.
- Through-Hole TO-92 Package: Easy to prototype and integrate into legacy PCB designs.
Adjustable Power Supplies for Breadboards
The LM317LZ/NOPB's adjustable output from 1.2V to 37V makes it a staple for hobbyist and educational power supplies, providing a stable 100mA for logic circuits and sensors.
Battery Charger Circuits
With its adjustable output, this regulator can be configured to charge NiMH or Li-ion batteries at a constant voltage, using external resistors to set the desired charge level.
Audio Preamplifier Biasing
The high PSRR (80dB at 120Hz) ensures a clean, hum-free DC bias for op-amp stages in audio equipment, improving signal fidelity.
Industrial Control Reference
In industrial settings, the LM317LZ/NOPB provides a stable adjustable reference voltage for analog control loops, with thermal overload protection ensuring reliability.
Automotive Sensor Calibration
Its wide input range allows it to regulate from a 12V vehicle battery down to 5V or 3.3V for sensor calibration circuits, withstanding voltage transients.
Low-Power LED Drivers
By setting the output voltage appropriately, this LDO can drive low-current LED strings with constant voltage, simplifying current limiting resistor design.
- Q: What is the output voltage range of the LM317LZ/NOPB?
- A: It is an adjustable regulator with an output voltage range from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: The LM317LZ/NOPB can provide up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V up to 37V, allowing flexible supply configurations.
- Q: What is the dropout voltage?
- A: The dropout voltage is not explicitly listed in the provided data; typically it is around 2V for this series.
- Q: What is the quiescent current?
- A: The quiescent current is approximately 5 mA.
- Q: What package is available?
- A: It is available in a TO-92-3 package, suitable for through-hole mounting.
LM317LZ/NOPB.pdf
- Q: What is the output voltage range of the LM317LZ/NOPB?
- A: It is an adjustable regulator with an output voltage range from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: The LM317LZ/NOPB can provide up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V up to 37V, allowing flexible supply configurations.
- Q: What is the dropout voltage?
- A: The dropout voltage is not explicitly listed in the provided data; typically it is around 2V for this series.
- Q: What is the quiescent current?
- A: The quiescent current is approximately 5 mA.
- Q: What package is available?
- A: It is available in a TO-92-3 package, suitable for through-hole mounting.
