Texas Instruments LM317EMP/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.90 | $1.90 |
| 15+ | $1.84 | $27.60 |
| 25+ | $1.80 | $45.00 |
| 50+ | $1.70 | $85.00 |
| 100+ | $1.50 | $150.00 |
| N+ | $0.30 | 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 | 80dB ~ 65dB (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-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| ROHS |  |
The LM317EMP/NOPB is a versatile adjustable linear regulator from Texas Instruments, offering an output voltage range from 1.25V to 37V with up to 1.5A of current. It features a 1.25V reference voltage and excellent PSRR of 80dB to 65dB at 120Hz. The SOT-223-4 package makes it suitable for compact designs requiring adjustable power.
- Adjustable Output: Voltage can be set from 1.25V to 37V with just two resistors, offering maximum flexibility.
- High Current: 1.5A output capability supports a wide range of loads.
- Excellent Line Regulation: Maintains stable output even with varying input voltage.
- Wide Application Range: From bench supplies to LED drivers, its versatility is unmatched.
Variable Bench Power Supplies
The adjustable output from 1.25V to 37V makes it ideal for hobbyist and professional bench power supplies where a variable voltage is required.
LED Driver with Current Control
Configured as a constant current source, it can drive high-power LEDs with precise current regulation for lighting applications.
Audio Amplifier Bias Supplies
Provides a clean, adjustable bias voltage for audio amplifier stages, with high PSRR to minimize hum and noise.
Battery Charger Circuits
Can be configured to charge various battery chemistries (Li-ion, Lead-acid) with adjustable voltage and current limits.
Programmable Voltage Reference
Used in test equipment to generate precise, adjustable reference voltages for calibration and measurement.
Solar Panel MPPT Controllers
In small-scale solar systems, it can regulate the output voltage to match battery charging requirements.
- Q: What is the output voltage range?
- A: Adjustable from 1.25V to 37V.
- Q: What is the maximum output current?
- A: 1.5A.
- Q: What is the reference voltage?
- A: 1.25V between the output and adjust pins.
- Q: What is the quiescent current?
- A: 10mA (typical).
- Q: What is the PSRR?
- A: 80dB to 65dB at 120Hz, depending on output voltage.
- Q: What package is available?
- A: SOT-223-4 package.
LM317EMP/NOPB.pdf
- Q: What is the output voltage range?
- A: Adjustable from 1.25V to 37V.
- Q: What is the maximum output current?
- A: 1.5A.
- Q: What is the reference voltage?
- A: 1.25V between the output and adjust pins.
- Q: What is the quiescent current?
- A: 10mA (typical).
- Q: What is the PSRR?
- A: 80dB to 65dB at 120Hz, depending on output voltage.
- Q: What package is available?
- A: SOT-223-4 package.
