STMicroelectronics LM317LD
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.80 | $0.80 |
| 15+ | $0.22 | $3.30 |
| 25+ | $0.22 | $5.50 |
| 50+ | $0.20 | $10.00 |
| 100+ | $0.18 | $18.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 5 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 | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |  |
The LM317LD is a versatile adjustable linear regulator offering an output voltage range from 1.2V to 37V with a maximum current of 100mA. It features a quiescent current of 10 mA and excellent PSRR of 75dB to 60dB at 120Hz, making it suitable for audio and precision applications. The 8-SOP package provides a compact, reliable solution for various power supply designs.
- Wide Output Range: 1.2V to 37V covers a broad spectrum of applications.
- Excellent Ripple Rejection: 75dB PSRR at 120Hz ensures clean output for audio and sensitive electronics.
- Proven Design: Based on the industry-standard LM317 architecture, ensuring reliability and availability.
- Compact Package: 8-SOP allows for space-efficient PCB layouts.
High-Voltage Bias Supplies
With an output range up to 37V, the LM317LD is ideal for generating high-voltage bias rails for vacuum fluorescent displays or avalanche photodiodes.
Audio Equipment Power
The high PSRR of 75dB at 120Hz ensures clean power for audio preamplifiers, reducing mains hum and improving sound quality.
Programmable Power Supplies
As a classic adjustable regulator, it can be used in bench power supplies to provide a variable output from 1.2V to 37V for testing circuits.
Industrial Process Control
For industrial sensors and transmitters requiring higher voltages, the LM317LD provides a stable, adjustable supply with good ripple rejection.
HVAC Control Boards
In HVAC systems, the adjustable output allows for precise voltage settings for various control logic, ensuring reliable operation.
Laboratory Instruments
The wide output range and low noise make it suitable for laboratory instruments that need precise, adjustable voltage references.
- Q: What is the output voltage range of the LM317LD?
- A: The output voltage is adjustable from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified, but the reference voltage is 1.2V.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: The PSRR is 75dB to 60dB at 120Hz.
- Q: What package is available?
- A: It is available in the 8-SOP package.
LM317LD.pdf
- Q: What is the output voltage range of the LM317LD?
- A: The output voltage is adjustable from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified, but the reference voltage is 1.2V.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: The PSRR is 75dB to 60dB at 120Hz.
- Q: What package is available?
- A: It is available in the 8-SOP package.
