Texas Instruments LM317LM/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.86 | $0.86 |
| 15+ | $0.84 | $12.60 |
| 25+ | $0.82 | $20.50 |
| 50+ | $0.77 | $38.50 |
| 100+ | $0.68 | $68.00 |
| N+ | $0.14 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| 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 | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |  |
The LM317LM/NOPB from Texas Instruments is a classic adjustable linear regulator, offering an output range from 1.2V to 37V at up to 100mA. Its high PSRR of 80dB at 120Hz makes it excellent for audio and precision analog applications. The 8-SOIC package provides a compact, industry-standard footprint.
- Adjustable Output: 1.2V to 37V range provides design flexibility for multiple applications.
- High PSRR: 80dB at 120Hz ensures excellent ripple rejection for audio and instrumentation.
- Proven Reliability: Industry-standard LM317 architecture with thermal overload protection.
- Compact SOIC Package: Saves board space compared to TO-220 alternatives.
Adjustable Bench Power Supplies
The LM317LM/NOPB's adjustable output from 1.2V to 37V makes it ideal for hobbyist and lab power supplies, providing a versatile voltage source for various experiments.
Battery Chargers
With its adjustable output, this regulator can be configured as a constant-voltage charger for lead-acid or lithium batteries, with current limiting via external resistors.
Audio Preamplifier Supplies
Its 80dB PSRR at 120Hz effectively filters mains hum, making it suitable for powering audio preamps and mixers with clean, stable DC.
Industrial Process Controllers
For 4-20mA loop-powered transmitters, the LM317LM/NOPB provides a regulated local supply, ensuring accurate signal conditioning in noisy factory environments.
Test and Measurement Equipment
Use it as a reference voltage source in multimeters and oscilloscopes, where its adjustable output and low noise enhance measurement precision.
LED Driver Circuits
Configured as a constant-current source, it can drive high-brightness LEDs in signage and lighting, with the 8-SOIC package allowing compact PCB layouts.
- Q: What is the output voltage range of the LM317LM/NOPB?
- A: It is adjustable from 1.2V to 37V.
- 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 can range from 1.2V up to 40V.
- Q: What is the dropout voltage?
- A: Dropout is typically 1.7V at full load (not specified in provided data, typical for LM317).
- Q: What is the quiescent current?
- A: The quiescent current is typically 5mA.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
LM317LM/NOPB.pdf
- Q: What is the output voltage range of the LM317LM/NOPB?
- A: It is adjustable from 1.2V to 37V.
- 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 can range from 1.2V up to 40V.
- Q: What is the dropout voltage?
- A: Dropout is typically 1.7V at full load (not specified in provided data, typical for LM317).
- Q: What is the quiescent current?
- A: The quiescent current is typically 5mA.
- Q: What package is available?
- A: It is available in an 8-SOIC package.
