Texas Instruments LM317KTTRG3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.74 | $0.74 |
| 15+ | $0.72 | $10.80 |
| 25+ | $0.70 | $17.50 |
| 50+ | $0.66 | $33.00 |
| 100+ | $0.59 | $59.00 |
| N+ | $0.12 | 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 | 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 | TO-263-4, D2PAK (3 Leads + Tab), TO-263AA |
| Supplier Device Package | TO-263 (DDPAK-3) |
| ROHS |  |
The LM317KTTRG3 from Texas Instruments is a versatile adjustable linear voltage regulator. It delivers up to 1.5A of output current with an output voltage range from 1.25V to 37V. This LDO regulator features excellent line and load regulation, along with a high PSRR of 80dB at 120Hz, making it suitable for noise-sensitive applications. The TO-263 package ensures efficient heat dissipation for reliable operation.
- Wide Adjustable Output: 1.25V to 37V range provides flexibility for various applications, eliminating the need for multiple fixed regulators.
- High Output Current: 1.5A capability supports power-hungry loads, making it suitable for a broad range of designs.
- Excellent PSRR: 80dB at 120Hz effectively filters power supply noise, ensuring clean output for audio and precision analog circuits.
- Robust Thermal Performance: TO-263 package with exposed pad enhances heat dissipation, improving reliability in high-current applications.
Adjustable Power Supply
Use the LM317KTTRG3 to create a precision adjustable bench power supply. Its 1.25V to 37V output range and 1.5A current capability make it ideal for prototyping and testing circuits.
Battery Charger
Implement a constant-voltage/constant-current battery charger. The adjustable output allows precise voltage setting for different battery chemistries, while the 1.5A current limit protects the battery.
Audio Amplifier Power Supply
Power audio circuits with low-noise DC. The LM317's high PSRR (80dB at 120Hz) rejects mains hum, ensuring clean power for op-amps and preamplifiers.
Industrial Control Systems
Provide a stable, adjustable reference voltage for industrial sensors and controllers. The TO-263 package handles the thermal demands of continuous operation in harsh environments.
Laboratory Instrumentation
Use as a precision voltage source in lab equipment. The adjustable output and 1.5A drive capability support a wide range of test setups and measurement instruments.
LED Driver
Drive high-power LEDs with a constant voltage. The adjustable output allows you to set the exact forward voltage, while the 1.5A current capability supports multiple LEDs in parallel.
- Q: What is the output voltage range of the LM317KTTRG3?
- A: The LM317KTTRG3 provides an adjustable output voltage from 1.25V up 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 range is from 1.25V up to 40V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.7V at maximum output current.
- Q: What is the quiescent current?
- A: The quiescent current is typically 10 mA.
- Q: What package is available?
- A: It is available in the TO-263 (DDPAK-3) package.
LM317KTTRG3.pdf
- Q: What is the output voltage range of the LM317KTTRG3?
- A: The LM317KTTRG3 provides an adjustable output voltage from 1.25V up 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 range is from 1.25V up to 40V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 1.7V at maximum output current.
- Q: What is the quiescent current?
- A: The quiescent current is typically 10 mA.
- Q: What package is available?
- A: It is available in the TO-263 (DDPAK-3) package.
