사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 37V |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
개요
Description
The LM317MSTT3G is a versatile, adjustable linear voltage regulator capable of providing output voltages ranging from 1.25V to 37V, with a maximum output current of 500 mA. Manufactured by ON Semiconductor, it is designed for applications requiring adjustable power supply, precision current regulation, or voltage regulation across a wide range of electronic devices.
This component features thermal overload protection, current limiting, and safe area compensation, making it robust and reliable under varying operational conditions. The LM317MSTT3G is housed in a compact SOT-223 package, which is suitable for space-constrained applications.
With a dropout voltage of approximately 2V, it is ideal for low-to-medium power applications where efficient heat management is crucial. It is widely used in power adapters, battery chargers, and embedded systems, where stable and adjustable output is necessary.
The device's ease of use, combined with its broad range of applications, makes it popular among hobbyists and professionals in the electronics industry. Its performance is regulated by external resistors that dictate the output voltage, providing flexibility and control.
This component features thermal overload protection, current limiting, and safe area compensation, making it robust and reliable under varying operational conditions. The LM317MSTT3G is housed in a compact SOT-223 package, which is suitable for space-constrained applications.
With a dropout voltage of approximately 2V, it is ideal for low-to-medium power applications where efficient heat management is crucial. It is widely used in power adapters, battery chargers, and embedded systems, where stable and adjustable output is necessary.
The device's ease of use, combined with its broad range of applications, makes it popular among hobbyists and professionals in the electronics industry. Its performance is regulated by external resistors that dictate the output voltage, providing flexibility and control.
Equivalent
Equivalent products to the LM317MSTT3G voltage regulator include:
1. LM317T
2. L78S05CV
3. UA78M33C
4. LT1086
5. L78L33ABUTR
These are linear voltage regulators that offer similar functionality and can be used in place of the LM317MSTT3G in various applications, but always check datasheets for compatibility.
1. LM317T
2. L78S05CV
3. UA78M33C
4. LT1086
5. L78L33ABUTR
These are linear voltage regulators that offer similar functionality and can be used in place of the LM317MSTT3G in various applications, but always check datasheets for compatibility.
Features
The LM317MSTT3G is a versatile adjustable voltage regulator that offers a range of features suitable for various applications. It supports an output voltage range of 1.25V to 37V with a maximum output current of 500 mA. The device includes overload protection and thermal regulation to ensure reliable operation under different conditions. It also provides a 0.1% line regulation and 0.3% load regulation, ensuring consistent performance. The LM317MSTT3G operates with an input voltage range of 3V to 40V and has a dropout voltage of approximately 3V. It maintains low quiescent current, enhancing its efficiency. The device comes in a compact SOT-223 package, making it suitable for space-constrained designs. Additionally, it includes short-circuit protection and is designed for easy implementation with a few external components. These features make the LM317MSTT3G ideal for applications such as power supply regulation, battery chargers, and other electronic circuits requiring adjustable voltage outputs.
Pinout
The LM317MSTT3G is a voltage regulator with 3 pins. Its primary function is to provide a stable output voltage that can be adjusted within a specific range. The three pins are:
1. Input (Vin): This pin receives the input voltage, which should be higher than the desired output voltage by a certain margin to ensure proper regulation.
2. Output (Vout): This pin delivers the regulated output voltage. The output voltage can be adjusted through external resistors connected to the adjust pin.
3. Adjust (Adj): This pin is used to set the output voltage by connecting it to a resistor divider network. The voltage at the output pin depends on the resistors connected to this pin.
The LM317MSTT3G can typically provide an output voltage range from 1.25 V to 37 V and can deliver a current of up to 0.5 A. It is useful in applications requiring adjustable and reliable voltage regulation.
1. Input (Vin): This pin receives the input voltage, which should be higher than the desired output voltage by a certain margin to ensure proper regulation.
2. Output (Vout): This pin delivers the regulated output voltage. The output voltage can be adjusted through external resistors connected to the adjust pin.
3. Adjust (Adj): This pin is used to set the output voltage by connecting it to a resistor divider network. The voltage at the output pin depends on the resistors connected to this pin.
The LM317MSTT3G can typically provide an output voltage range from 1.25 V to 37 V and can deliver a current of up to 0.5 A. It is useful in applications requiring adjustable and reliable voltage regulation.
Manufacturer
The LM317MSTT3G is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is an American semiconductor supplier company that designs, manufactures, and supplies a broad range of semiconductor components and systems. The company is involved in producing energy-efficient products for power management, automotive, communications, computing, consumer, industrial, LED lighting, medical, and military/aerospace applications. Onsemi focuses on innovations in energy-efficient and power-saving technologies, contributing significantly to reducing the environmental impact of electronics. The LM317MSTT3G itself is a voltage regulator, part of a broader category of products designed for power management solutions.
Application
The LM317MSTT3G is a voltage regulator used in various applications that require a stable voltage supply. Its primary application areas include power supplies for electronic devices, battery chargers, and adjustable voltage regulation in consumer electronics. It is also used in telecommunications equipment, industrial automation systems, and embedded systems for maintaining a constant voltage. Additionally, it is employed in educational and hobbyist projects for prototyping and experimentation. Its versatility and adjustable output make it suitable for both linear and switching regulators in diverse electronic applications.
Package
The LM317MSTT3G is a voltage regulator IC manufactured by ON Semiconductor. It is provided in a SOT-223 package, which is a surface-mount package type characterized by a small, flat design with three leads. This package is suitable for applications requiring efficient heat dissipation and compact size.
