Texas Instruments LM317DCYR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.61 | $0.61 |
| 15+ | $0.59 | $8.85 |
| 25+ | $0.58 | $14.50 |
| 50+ | $0.54 | $27.00 |
| 100+ | $0.48 | $48.00 |
| N+ | $0.10 | 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) | 40V |
| 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 | 64dB ~ 57dB (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 LM317DCYR from UMW is a versatile adjustable linear regulator with an output range from 1.2V to 37V and a maximum current of 1.5A. It features a quiescent current of 12 mA and excellent PSRR of 75dB to 60dB at 120Hz, making it suitable for audio and precision applications. Housed in a SOT-223 package, it offers a compact solution for adjustable power supplies and general-purpose regulation.
- Wide Adjustable Range: 1.2V to 37V output provides flexibility for various applications from logic to high-voltage circuits.
- High Current Capability: 1.5A output supports power-hungry loads like LEDs and small motors.
- Excellent Ripple Rejection: 75dB-60dB PSRR at 120Hz ensures clean DC for audio and measurement equipment.
- Compact SOT-223 Package: Saves board space compared to traditional TO-220 packages while delivering 1.5A.
Adjustable Power Supplies
The 1.2V to 37V adjustable output makes it ideal for benchtop power supplies and lab equipment requiring variable voltage.
LED Driver Circuits
With 1.5A output capability, it can drive high-power LEDs with constant voltage, suitable for lighting applications.
Battery Chargers
Adjustable output allows precise voltage setting for charging lead-acid or lithium batteries in DIY and industrial chargers.
Audio Amplifier Power
High PSRR (75dB-60dB) at 120Hz reduces mains hum, providing clean DC for audio preamplifiers and small amplifiers.
Test and Measurement Equipment
Stable adjustable output is perfect for powering sensors, op-amps, and reference circuits in calibration tools.
General-Purpose Regulation
Its versatility and 1.5A current make it a go-to solution for prototyping and custom power regulation in various electronic projects.
- Q: What is the output voltage range of the LM317DCYR?
- A: It is adjustable from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the input voltage range?
- A: The minimum input voltage is 1.2V (for 1.2V output).
- Q: What is the quiescent current?
- A: Quiescent current is 12 mA.
- Q: What is the PSRR?
- A: PSRR is 75dB to 60dB at 120Hz.
- Q: What package is available?
- A: It comes in a SOT-223 package.
LM317DCYR.pdf
- Q: What is the output voltage range of the LM317DCYR?
- A: It is adjustable from 1.2V up to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A.
- Q: What is the input voltage range?
- A: The minimum input voltage is 1.2V (for 1.2V output).
- Q: What is the quiescent current?
- A: Quiescent current is 12 mA.
- Q: What is the PSRR?
- A: PSRR is 75dB to 60dB at 120Hz.
- Q: What package is available?
- A: It comes in a SOT-223 package.
