Texas Instruments LM317AMDT/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.67 | $2.67 |
| 15+ | $2.59 | $38.85 |
| 25+ | $2.53 | $63.25 |
| 50+ | $2.39 | $119.50 |
| 100+ | $2.11 | $211.00 |
| N+ | $0.42 | 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) | 1.25V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 10 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 | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Supplier Device Package | TO-252-3 |
| ROHS |  |
The Texas Instruments LM317AMDT/NOPB is a versatile adjustable linear regulator capable of delivering 1.5A with an output voltage range from 1.25V to 37V. This flexibility makes it a staple in power supply design, allowing engineers to set precise voltages with just two resistors. Its high ripple rejection ensures clean power for audio and precision analog applications. The TO-252 package offers a compact solution for space-constrained designs while maintaining reliable thermal performance.
- Adjustable Output (1.25V to 37V): Provides design flexibility, eliminating the need for multiple fixed-voltage regulators in a system.
- High Output Current (1.5A): Capable of powering a wide range of loads, from small sensors to larger analog circuits.
- Excellent PSRR (80dB @ 120Hz): Ensures clean, ripple-free output, critical for high-fidelity audio and precision measurement equipment.
- Proven, Industry-Standard Design: A reliable and well-understood architecture with extensive application support and documentation.
Adjustable Bench Power Supplies
The 1.25V to 37V adjustable output range makes it perfect for building a variable bench power supply for testing and prototyping electronic circuits.
Precision Current Limiter
By using the adjustable output in a constant-current configuration, it can serve as a precise current limiter for LED drivers or battery charging circuits.
Audio Amplifier Power Supply
With its high PSRR (80dB at 120Hz), it can provide a clean, low-noise supply rail for audio preamplifiers and small power amplifiers, reducing hum and noise.
Programmable Output Regulator
In digital systems, the output voltage can be dynamically programmed using a DAC and resistor network, enabling dynamic voltage scaling for power optimization.
General-Purpose Voltage Regulator
As a versatile adjustable regulator, it can replace fixed regulators in many designs, providing flexibility to set any voltage between 1.25V and 37V.
Laboratory Instrumentation
Its accuracy and stability make it suitable for powering precision analog circuits in laboratory instruments, ensuring consistent measurement results.
- Q: What is the output voltage range of the LM317AMDT/NOPB?
- A: It is an adjustable regulator with an output voltage range from 1.25V to 37V, set by two external resistors.
- Q: What is the maximum output current?
- A: The LM317AMDT/NOPB can deliver up to 1.5A of output current, making it suitable for a wide range of medium-power applications.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.25V above the desired output up to a maximum of 40V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.5V at maximum output current, though the provided data does not specify a precise value.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA, which is typical for this type of adjustable linear regulator.
- Q: What package is this device available in?
- A: It is available in a TO-252-3 (DPAK) surface-mount package, which is suitable for moderate power dissipation.
LM317AMDT/NOPB.pdf
- Q: What is the output voltage range of the LM317AMDT/NOPB?
- A: It is an adjustable regulator with an output voltage range from 1.25V to 37V, set by two external resistors.
- Q: What is the maximum output current?
- A: The LM317AMDT/NOPB can deliver up to 1.5A of output current, making it suitable for a wide range of medium-power applications.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.25V above the desired output up to a maximum of 40V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.5V at maximum output current, though the provided data does not specify a precise value.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA, which is typical for this type of adjustable linear regulator.
- Q: What package is this device available in?
- A: It is available in a TO-252-3 (DPAK) surface-mount package, which is suitable for moderate power dissipation.
