Texas Instruments LM317T/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.64 | $1.64 |
| 15+ | $1.59 | $23.85 |
| 25+ | $1.56 | $39.00 |
| 50+ | $1.47 | $73.50 |
| 100+ | $1.30 | $130.00 |
| N+ | $0.26 | 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) | 37V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 64dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-3 |
| Supplier Device Package | TO-220-3 |
| ROHS |  |
The LM317T/NOPB is a versatile adjustable linear voltage regulator from Texas Instruments. It delivers a stable 1.5A output current with an adjustable voltage range from 1.25V to 37V. Housed in a durable TO-220-3 package, it offers excellent thermal performance and a high PSRR of 64dB, making it ideal for precision analog and industrial applications.
- Adjustable Output: Set any voltage from 1.25V to 37V with two external resistors, offering maximum design flexibility.
- High Current Capacity: Delivers up to 1.5A, suitable for powering multiple ICs or moderate loads.
- Low Noise & High PSRR: 64dB ripple rejection at 120Hz ensures clean power for audio and measurement circuits.
- Robust TO-220 Package: Excellent heat dissipation for reliable operation in demanding environments.
Adjustable Power Supply
Use the LM317T/NOPB to create a variable bench power supply. Its 1.25V to 37V output range and 1.5A current capability make it ideal for prototyping and testing circuits.
Battery Charger
Configure the LM317T/NOPB as a constant-current source for charging lead-acid or lithium-ion batteries. The adjustable output allows precise voltage and current limits.
Audio Amplifier Power
With a PSRR of 64dB at 120Hz, this regulator minimizes hum and noise, making it suitable for powering sensitive audio preamplifiers and DACs.
Industrial Control Systems
Its robust TO-220 package and 1.5A output handle industrial sensors and microcontrollers, providing a stable, adjustable rail from a higher unregulated supply.
Laboratory Test Equipment
Use it as a reference voltage source in calibration equipment. The adjustable output and low output noise ensure accurate, repeatable measurements.
LED Driver
Configure the LM317T/NOPB as a constant-current LED driver for high-power LEDs, ensuring consistent brightness and extended LED life.
- Q: What is the output voltage range of the LM317T/NOPB?
- A: The LM317T/NOPB provides an adjustable output voltage from 1.25V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 40V (absolute max).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 2V at maximum output current.
- Q: What is the quiescent current?
- A: The quiescent current is typically 10 mA.
- Q: What package is available?
- A: It is available in the TO-220-3 package.
LM317T/NOPB.pdf
- Q: What is the output voltage range of the LM317T/NOPB?
- A: The LM317T/NOPB provides an adjustable output voltage from 1.25V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 40V (absolute max).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 2V at maximum output current.
- Q: What is the quiescent current?
- A: The quiescent current is typically 10 mA.
- Q: What package is available?
- A: It is available in the TO-220-3 package.
