Texas Instruments LM317MDCYRG3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.55 | $0.55 |
| 15+ | $0.53 | $7.95 |
| 25+ | $0.52 | $13.00 |
| 50+ | $0.49 | $24.50 |
| 100+ | $0.44 | $44.00 |
| N+ | $0.09 | 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 | 500mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | - |
| PSRR | 80dB ~ 65dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| ROHS |  |
The LM317MDCYRG3 from Texas Instruments is a versatile adjustable linear regulator delivering up to 500mA. Its output can be set from 1.25V to 37V using two external resistors, making it a staple for custom power designs. With excellent ripple rejection and a compact SOT-223-4 package, it suits space-constrained applications requiring a stable, low-noise supply.
- Wide Adjustable Range: Output from 1.25V to 37V provides design flexibility for various logic and analog rails.
- High Ripple Rejection: 80dB~65dB PSRR at 120Hz ensures clean DC for sensitive audio or measurement circuits.
- Robust Current Delivery: 500mA output supports multiple ICs or moderate loads without external pass transistors.
- Compact SOT-223 Package: Saves board space while offering good thermal dissipation for its class.
Adjustable Power Supply for Microcontrollers
Use the LM317MDCYRG3 to create a precise adjustable supply from 1.25V to 37V for MCU boards, ensuring stable operation with its 500mA current capability.
Battery Charger Circuits
Its adjustable output and 80dB PSRR at 120Hz make it ideal for linear battery chargers requiring low noise and accurate voltage setpoints.
Audio Equipment Biasing
The high PSRR (80dB~65dB) minimizes mains hum, making it suitable for biasing audio preamplifiers and DAC reference rails.
Industrial Sensor Interfaces
Provide a clean, adjustable rail for analog sensors and op-amps, leveraging the low output noise and 500mA drive for multiple transducers.
Lab Bench Reference Supply
As a classic adjustable regulator, it serves as a reliable building block for benchtop power supplies, offering a wide voltage range with minimal external components.
Automotive Aftermarket Electronics
With a 37V input rating, it can regulate noisy vehicle power down to logic levels for dashcams or telematics, though input filtering is recommended.
- Q: What is the output voltage range of the LM317MDCYRG3?
- A: The output voltage is adjustable from 1.25V up to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 37V.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data; refer to the datasheet for details.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It is available in a SOT-223-4 package.
LM317MDCYRG3.pdf
- Q: What is the output voltage range of the LM317MDCYRG3?
- A: The output voltage is adjustable from 1.25V up to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.25V up to 37V.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data; refer to the datasheet for details.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It is available in a SOT-223-4 package.
