onsemi LM317LDR2G
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.59 | $0.59 |
| 15+ | $0.57 | $8.55 |
| 25+ | $0.56 | $14.00 |
| 50+ | $0.53 | $26.50 |
| 100+ | $0.47 | $47.00 |
| N+ | $0.09 | 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 | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |  |
The LM317LDR2G from onsemi is an adjustable positive voltage regulator capable of delivering 100mA with an output range of 1.2V to 37V. Housed in an 8-SOIC package, it provides excellent 80dB PSRR at 120Hz, making it ideal for audio and precision analog applications. Its versatility allows use in variable supplies, LED drivers, and battery chargers.
- Adjustable Output: 1.2V to 37V range provides maximum design flexibility for various applications.
- High PSRR: 80dB at 120Hz ensures clean, ripple-free output for audio and instrumentation.
- Versatile: Can be configured as a voltage regulator, current source, or charger.
- Robust Protection: Includes current limiting, thermal overload protection, and safe-area compensation.
Variable Bench Power Supply
Create a precision adjustable 1.2V-37V supply for lab use. The 80dB PSRR at 120Hz ensures low ripple for sensitive experiments.
LED Driver
Use as a constant-current source for high-brightness LEDs by adding a sense resistor. The adjustable output allows precise current control.
Audio Preamplifier Bias
Provide a clean, adjustable bias voltage for op-amp stages in audio mixers, leveraging the high PSRR to eliminate hum.
Battery Charger
Implement a simple constant-voltage/constant-current charger for NiMH or Li-ion cells, with the output set to the required float voltage.
Sensor Excitation
Power bridge sensors (strain gauges, RTDs) with a stable, adjustable excitation voltage, improving measurement accuracy.
- Q: What is the output voltage range of the LM317LDR2G?
- A: It is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 3V to 40V (typical for this device; verify with datasheet).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified; typical for LM317 is around 3V.
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is available?
- A: It comes in an 8-SOIC package.
LM317LDR2G.pdf
- Q: What is the output voltage range of the LM317LDR2G?
- A: It is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 3V to 40V (typical for this device; verify with datasheet).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified; typical for LM317 is around 3V.
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is available?
- A: It comes in an 8-SOIC package.
