onsemi LM317LZREG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.88 | $0.88 |
| 15+ | $0.86 | $12.90 |
| 25+ | $0.84 | $21.00 |
| 50+ | $0.79 | $39.50 |
| 100+ | $0.70 | $70.00 |
| N+ | $0.14 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| 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) | 1.2V |
| Voltage - Output (Max) | 37V |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 Long Body, Formed Leads |
| Supplier Device Package | TO-92 (TO-226) |
| ROHS |
The LM317LZREG from onsemi is a versatile adjustable linear regulator in a TO-92 package. It provides an output voltage adjustable from 1.2V to 37V, with a maximum output current of 100mA. This makes it a flexible solution for a wide range of applications, from simple power supplies to precision reference circuits. With 80dB PSRR at 120Hz, it delivers clean, stable power. Its through-hole TO-92 package is easy to use in prototyping and educational projects.
- Adjustable Output: 1.2V to 37V range provides maximum design flexibility for various voltage requirements.
- High PSRR: 80dB at 120Hz effectively filters mains ripple, ideal for audio and precision analog circuits.
- Proven Reliability: The LM317 family is a decades-old, well-understood design with extensive documentation.
- Easy to Use: TO-92 package is breadboard-friendly and simple to solder, perfect for hobbyists and engineers.
Adjustable Power Supplies
The 1.2V to 37V adjustable output makes it perfect for benchtop power supplies and lab equipment requiring variable voltage.
Battery Chargers
With 100mA output, it can be configured as a simple constant-voltage charger for NiMH or Li-ion batteries.
Audio Preamplifiers
High PSRR of 80dB at 120Hz ensures clean, hum-free power for audio circuits, improving sound quality.
Sensor Calibration Circuits
The adjustable output allows precise voltage trimming for sensor excitation and calibration in industrial instruments.
Reference Voltage Sources
Its stable output and low noise make it suitable as a reference for ADC/DAC circuits in data acquisition systems.
Legacy System Replacement
As a classic regulator, it's ideal for repairing or upgrading older equipment that uses the LM317 family.
- Q: What is the output voltage range?
- A: The output is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V up to 37V.
- Q: What is the dropout voltage?
- A: Dropout voltage is typically 1.7V at full load (not specified, typical for LM317 family).
- Q: What is the quiescent current?
- A: Quiescent current is approximately 10 mA (typical).
- Q: What package is available?
- A: This version comes in the TO-92 (TO-226) package.
- Q: What is the output voltage range?
- A: The output is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V up to 37V.
- Q: What is the dropout voltage?
- A: Dropout voltage is typically 1.7V at full load (not specified, typical for LM317 family).
- Q: What is the quiescent current?
- A: Quiescent current is approximately 10 mA (typical).
- Q: What package is available?
- A: This version comes in the TO-92 (TO-226) package.

LM317LZREG.pdf