STMicroelectronics LM317D2T-TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.57 | $1.57 |
| 15+ | $1.03 | $15.45 |
| 25+ | $1.01 | $25.25 |
| 50+ | $0.95 | $47.50 |
| 100+ | $0.84 | $84.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| 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) | 1.2V |
| 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-263-3, D2PAK (2 Leads + Tab), TO-263AB |
| Supplier Device Package | D2PAK |
| ROHS |  |
The LM317D2T-TR from STMicroelectronics is a versatile adjustable linear regulator capable of delivering 1.5A with an output voltage range from 1.2V to 37V. It features a low quiescent current of 10 mA and excellent PSRR of 80dB at 120Hz, ensuring stable, noise-free operation. Housed in a D2PAK package, it offers excellent thermal performance for high-power applications. This regulator is a popular choice for power supplies and charging circuits.
- Adjustable Output: Voltage can be set from 1.2V to 37V, offering maximum design flexibility.
- High Current: 1.5A output capability supports a wide range of loads.
- Excellent Noise Rejection: 80dB PSRR at 120Hz ensures clean power for audio and precision circuits.
- Robust Thermal Performance: D2PAK package dissipates heat efficiently, enabling reliable operation at high currents.
Variable Bench Power Supplies
The adjustable output from 1.2V to 37V makes it perfect for DIY and professional bench power supplies, providing a versatile voltage source for testing circuits.
Battery Chargers
With its adjustable output and 1.5A capability, it can be configured as a constant-voltage charger for lead-acid or lithium-ion batteries.
Audio Amplifier Power
The high PSRR of 80dB at 120Hz ensures a clean, hum-free supply for audio preamplifiers and power amplifiers.
Industrial Process Control
In process control systems, the LM317D2T-TR provides a stable, adjustable voltage for transmitters and signal conditioners, ensuring accurate measurements.
LED Lighting Drivers
It can be used as a constant-current source for high-power LEDs, with the adjustable output setting the desired current level.
Laboratory Equipment
For precision lab instruments, this regulator offers low noise and excellent line regulation, making it ideal for sensitive measurement devices.
- Q: What is the output voltage of the LM317D2T-TR?
- A: The output voltage is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage range is from 4.2V to 40V (based on typical LM317 specifications).
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: The PSRR is 80dB to 65dB at 120Hz.
- Q: What package is available?
- A: This device is available in a D2PAK package.
LM317D2T-TR.pdf
- Q: What is the output voltage of the LM317D2T-TR?
- A: The output voltage is adjustable from 1.2V to 37V.
- Q: What is the maximum output current?
- A: The maximum output current is 1.5A.
- Q: What is the input voltage range?
- A: The input voltage range is from 4.2V to 40V (based on typical LM317 specifications).
- Q: What is the quiescent current?
- A: The quiescent current is 10 mA.
- Q: What is the PSRR?
- A: The PSRR is 80dB to 65dB at 120Hz.
- Q: What package is available?
- A: This device is available in a D2PAK package.
