Imagens apenas para referência
LM317TG
+Lista de MateriaisLINEAR VOLTAGE REGULATOR, 1.5 A
-
Fabricanteonsemi
-
Peça do Fabricante #LM317TG
-
Pacote TO-220
-
Em Estoque2313
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package / Case | 0 |
| Series | Bulk |
| Output Configuration | Active |
Visão Geral
Description
This regulator is lauded for its ease of use, requiring only two external resistors to set the output voltage. It also features built-in current limiting, thermal overload protection, and safe area protection, enhancing its reliability in various applications.
The LM317TG comes in a TO-220 package, making it suitable for through-hole mounting on printed circuit boards. Its flexibility and robustness make it a popular choice for power supply designs in consumer electronics, telecommunications, and industrial applications. Its ability to provide a stable output in various conditions makes it a staple component for designers requiring adjustable voltage solutions.
Equivalent
1. L78xx series (for fixed outputs)
2. LM350 (higher current capacity)
3. LT1086
4. L200
5. NTE956
6. L4960
These alternatives might have different specifications, so ensure they meet your specific requirements regarding output current, voltage range, and thermal performance. Always check the datasheets for compatibility.
Features
1. Adjustable Output: It allows output voltage adjustment from 1.25V to 37V, making it versatile for various applications.
2. Current Capability: The device can deliver output currents up to 1.5A.
3. Thermal Overload Protection: It includes built-in protection to prevent damage from overheating.
4. Short-Circuit Protection: Guards against damage by limiting the current in case of a short circuit.
5. Load Regulation: Provides excellent load regulation, ensuring minimal output voltage changes with varying load conditions.
6. Line Regulation: Offers good line regulation, maintaining stable output despite fluctuations in the input voltage.
7. Dropout Voltage: Features a dropout voltage of around 3V, indicative of the minimum input-output voltage differential needed for proper regulation.
8. Package Type: Available in TO-220 and TO-263 packages, allowing for easy mounting and heat dissipation.
These features make the LM317TG suitable for use in power supplies, battery chargers, and other applications requiring a reliable and adjustable voltage source.
Pinout
1. Input (Pin 1): This pin receives the unregulated input voltage, which should be at least 3V higher than the desired output voltage for proper regulation.
2. Output (Pin 2): This pin provides the regulated output voltage. The output voltage can be adjusted from 1.25V to 37V, depending on the resistor network connected between the output and adjustment pins.
3. Adjustment (Pin 3): This pin is used to set the output voltage by connecting it to a resistor network. By adjusting the resistance, you can change the output voltage within the specified range.
The LM317TG is widely used in power supply applications due to its ability to deliver up to 1.5A of output current, thermal overload protection, and short-circuit protection.
Manufacturer
1. Texas Instruments: An American technology company that designs and manufactures semiconductors and various integrated circuits. TI is known for its analog and embedded processing products.
2. ON Semiconductor (onsemi): Headquartered in the United States, onsemi specializes in performance and power solutions, providing a wide range of semiconductor products, including power and signal management, logic, discrete, and custom devices.
3. STMicroelectronics: A European multinational company, STMicroelectronics is one of the largest semiconductor companies globally. It offers a variety of electronic products and solutions, including microcontrollers, MEMS, and sensors.
These companies are key players in the electronics and semiconductor sectors, supplying components for a variety of applications such as consumer electronics, automotive, industrial, and more. Their products enable the development of energy-efficient and technologically advanced systems.