Texas Instruments LM317MDCY
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.76 | $0.76 |
| 15+ | $0.74 | $11.10 |
| 25+ | $0.72 | $18.00 |
| 50+ | $0.68 | $34.00 |
| 100+ | $0.60 | $60.00 |
| N+ | $0.12 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| 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 LM317MDCY from Texas Instruments is a versatile adjustable linear regulator capable of delivering up to 500mA with an output voltage range up to 37V. It features a 1.25V reference voltage and excellent PSRR, making it a reliable choice for a wide range of applications, from simple power supplies to audio circuits. The SOT-223-4 package offers a compact solution for medium-power designs.
- Adjustable Output (up to 37V): Provides maximum flexibility for various voltage requirements.
- High Output Current (500mA): Suitable for a wide range of medium-power applications.
- Excellent PSRR (80dB~65dB): Ensures clean, low-noise output for sensitive analog circuits.
- Proven, Industry-Standard Design: The LM317 family is a trusted, widely-used regulator architecture.
Adjustable Power Supplies
The LM317MDCY is a classic adjustable regulator, ideal for benchtop power supplies and lab equipment where a variable output voltage is required.
Audio Amplifier Bias Circuits
Its high PSRR (80dB~65dB) makes it suitable for providing clean bias voltages in audio preamplifiers and power amplifiers.
Industrial Process Control
Provides a stable, adjustable supply for analog control loops and sensor transmitters in industrial automation.
Battery Chargers
Can be configured as a constant-voltage/constant-current charger for lead-acid or lithium batteries.
Test and Measurement Equipment
Used in precision instruments where a low-noise, adjustable reference voltage is needed for calibration and measurement.
- Q: What is the output voltage of the LM317MDCY?
- A: It is an adjustable regulator with a maximum output voltage of 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The reference voltage is 1.25V; the input range is not fully specified in the provided data.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
LM317MDCY.pdf
- Q: What is the output voltage of the LM317MDCY?
- A: It is an adjustable regulator with a maximum output voltage of 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The reference voltage is 1.25V; the input range is not fully specified in the provided data.
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
