Texas Instruments LM317DCY
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.11 | $1.11 |
| 15+ | $1.08 | $16.20 |
| 25+ | $1.05 | $26.25 |
| 50+ | $0.99 | $49.50 |
| 100+ | $0.88 | $88.00 |
| N+ | $0.18 | 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 | 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 LM317DCY from Texas Instruments is a versatile adjustable linear regulator with an output range of 1.25V to 37V and a current capability of 1.5A. Packaged in SOT-223-4, it features a dropout voltage of 1.25V and a quiescent current of 10mA. With PSRR of 64dB at 120Hz, it delivers stable, adjustable power for a wide variety of applications.
- Adjustable Output: 1.25V to 37V range provides design flexibility.
- High Current: 1.5A output supports demanding loads.
- Wide Input Range: Accepts up to 40V input for diverse applications.
- Proven Reliability: Industry-standard LM317 architecture with thermal protection.
Adjustable Power Supplies
Creates variable bench power supplies with 1.25V to 37V output range, supporting up to 1.5A for prototyping and testing.
Battery Chargers
Configures as a constant-voltage/current charger for lead-acid or lithium batteries, with adjustable output for different chemistries.
Audio Amplifier Bias
Provides adjustable bias voltage for audio preamps, with 64dB PSRR at 120Hz reducing hum in sensitive circuits.
Industrial Process Control
Regulates 24V rails down to adjustable voltages for transmitters and controllers, with 1.5A handling multiple loads.
LED Drivers
Sets precise current and voltage for high-power LEDs, with adjustable output enabling brightness control.
Laboratory Instruments
Powers custom test fixtures with adjustable voltage, offering flexibility and 57dB PSRR at 120Hz for clean output.
- Q: What is the output voltage range of the LM317DCY?
- A: The output voltage is adjustable from 1.25V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 4.25V to 40V.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.25V at full load.
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
LM317DCY.pdf
- Q: What is the output voltage range of the LM317DCY?
- A: The output voltage is adjustable from 1.25V to 37V.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A of output current.
- Q: What is the input voltage range?
- A: The input voltage can range from 4.25V to 40V.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.25V at full load.
- Q: What is the quiescent current?
- A: The quiescent current is 10mA.
- Q: What package is available?
- A: It comes in a SOT-223-4 package.
