Texas Instruments LM317SX/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.56 | $1.56 |
| 15+ | $1.51 | $22.65 |
| 25+ | $1.48 | $37.00 |
| 50+ | $1.39 | $69.50 |
| 100+ | $1.23 | $123.00 |
| N+ | $0.25 | 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) | 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 | Surface Mount |
| Package / Case | TO-263-4, D2PAK (3 Leads + Tab), TO-263AA |
| Supplier Device Package | TO-263 (DDPAK-3) |
| ROHS |  |
The Texas Instruments LM317SX/NOPB is a versatile adjustable LDO linear regulator supporting 1.5A output current and voltages from 1.25V to 37V. Its TO-263 package offers excellent thermal performance. With 64dB PSRR and 10mA quiescent current, it is a reliable choice for power supplies, chargers, and industrial equipment.
- Wide Adjustable Range: 1.25V to 37V output covers a broad spectrum of applications.
- High Current: 1.5A capability powers demanding loads.
- Proven Reliability: Industry-standard LM317 architecture with decades of field use.
- Thermal Protection: Internal current limiting and thermal shutdown protect the device.
Variable Bench Power Supplies
The 1.25V to 37V adjustable range and 1.5A current capability make it ideal for hobbyist and lab power supplies.
Battery Chargers
Configure as a constant-voltage/constant-current charger for lead-acid or lithium batteries with external resistors.
Audio Amplifier Supplies
Provides a clean, adjustable rail for preamplifiers and op-amps, with 64dB PSRR reducing hum.
Industrial Process Control
Powers 4-20mA loop transmitters and signal conditioning circuits with precise voltage setting.
LED Drivers
Used as a constant-current source for high-power LEDs in lighting applications.
Test and Measurement Equipment
Provides stable reference voltages for calibration and measurement instruments.
- Q: What is the output voltage range?
- A: The LM317SX/NOPB is adjustable 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 starts from 1.25V (minimum reference voltage).
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: PSRR is 64dB at 120Hz.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-3) package.
LM317SX/NOPB.pdf
- Q: What is the output voltage range?
- A: The LM317SX/NOPB is adjustable 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 starts from 1.25V (minimum reference voltage).
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: PSRR is 64dB at 120Hz.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-3) package.
