Texas Instruments LM317AMDTX/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.31 | $2.31 |
| 15+ | $2.24 | $33.60 |
| 25+ | $2.19 | $54.75 |
| 50+ | $2.07 | $103.50 |
| 100+ | $1.82 | $182.00 |
| N+ | $0.36 | 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) | 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 LM317AMDTX/NOPB from Texas Instruments is a classic, versatile adjustable linear regulator. It delivers an output voltage adjustable from 1.25V to 37V with a maximum current of 1.5A. This regulator is renowned for its robustness and simplicity, requiring only two external resistors to set the output voltage. With excellent PSRR of 80dB at 120Hz, it provides clean, stable power for a wide range of applications, from bench power supplies to audio equipment. The TO-252-3 package offers a compact, surface-mount solution with good thermal characteristics.
- Adjustable Output: Output voltage can be set from 1.25V to 37V, offering maximum design flexibility.
- High Output Current: Capable of delivering up to 1.5A, suitable for a wide range of loads.
- Excellent Ripple Rejection: 80dB PSRR at 120Hz effectively filters AC ripple, ensuring clean DC output.
- Proven Reliability: A trusted, industry-standard design with decades of successful use in countless applications.
Adjustable Bench Power Supplies
The LM317AMDTX/NOPB's adjustable output from 1.25V to 37V makes it ideal for DIY and professional bench power supplies, providing a versatile and reliable voltage source for testing circuits.
LED Driver Circuits
Configured as a constant current source, it can drive high-power LEDs with up to 1.5A, ensuring consistent brightness and longevity.
Audio Amplifier Power Supplies
With 80dB PSRR at 120Hz, it effectively filters mains hum, providing a clean DC supply for audio preamplifiers and low-power amplifiers.
Battery Charger Circuits
The adjustable output allows precise voltage settings for charging various battery chemistries, including lead-acid and lithium-ion.
Laboratory Instrumentation
Provides a stable, adjustable reference voltage for calibration equipment and test fixtures, with the TO-252 package allowing for easy heatsinking.
HVAC Control Boards
Powers microcontrollers and sensors in HVAC systems, with the wide input range accommodating unregulated rectified AC supplies.
- Q: What is the output voltage range of the LM317AMDTX/NOPB?
- A: It is adjustable from 1.25V up to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.25V up to 37V (depending on configuration).
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR performance?
- A: PSRR is 80dB at 120Hz, providing excellent low-frequency noise rejection.
- Q: What package is available?
- A: It is available in a TO-252-3 (DPAK) package.
LM317AMDTX/NOPB.pdf
- Q: What is the output voltage range of the LM317AMDTX/NOPB?
- A: It is adjustable from 1.25V up to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.25V up to 37V (depending on configuration).
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR performance?
- A: PSRR is 80dB at 120Hz, providing excellent low-frequency noise rejection.
- Q: What package is available?
- A: It is available in a TO-252-3 (DPAK) package.
