Texas Instruments LM317LCDRG4
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.83 | $0.83 |
| 15+ | $0.80 | $12.00 |
| 25+ | $0.78 | $19.50 |
| 50+ | $0.74 | $37.00 |
| 100+ | $0.65 | $65.00 |
| N+ | $0.13 | 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) | 38V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 32V |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 2.5 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 |
The LM317LCDRG4 is an adjustable linear regulator with an output range from 1.2V to 32V, delivering up to 100mA. Its 2.5 mA quiescent current and excellent PSRR (80dB at 120Hz) make it a versatile choice for precision applications. The 8-SOIC package supports compact designs, while the adjustable output offers flexibility across various voltage requirements.
- Adjustable Output: 1.2V to 32V covers multiple applications.
- High PSRR: 80dB at 120Hz for clean power.
- Surface-Mount Package: 8-SOIC for automated assembly.
- Versatile: Suitable for power supplies, chargers, and references.
Variable Bench Power Supplies
Adjustable 1.2V-32V output makes it ideal for lab equipment requiring flexible voltage settings.
LED Driver Circuits
Set output voltage to match LED string requirements, with 100mA suitable for indicator lights.
Audio Preamplifier Bias
Provides adjustable bias voltage for tube or transistor stages, with 80dB PSRR at 120Hz.
Battery Charger Reference
Use as a reference voltage source for charging circuits, with adjustable output for different battery chemistries.
Sensor Calibration
Generate precise voltages for calibrating pressure or temperature sensors.
Test Equipment
Adjustable output powers prototype boards during development.
- Q: What is the output voltage?
- A: Adjustable from 1.2V to 32V.
- Q: What is the maximum current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Not specified; typically up to 40V, check datasheet.
- Q: What is the dropout voltage?
- A: Not specified in provided data.
- Q: What is the quiescent current?
- A: 2.5 mA.
- Q: What package is available?
- A: 8-SOIC.
- Q: What is the output voltage?
- A: Adjustable from 1.2V to 32V.
- Q: What is the maximum current?
- A: 100mA.
- Q: What is the input voltage range?
- A: Not specified; typically up to 40V, check datasheet.
- Q: What is the dropout voltage?
- A: Not specified in provided data.
- Q: What is the quiescent current?
- A: 2.5 mA.
- Q: What package is available?
- A: 8-SOIC.

LM317LCDRG4.pdf