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LM317BTG
IC REG LINEAR POS ADJ 1.5A TO220
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規格
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 37V |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
概述
Description
The LM317BTG is a versatile, adjustable three-terminal voltage regulator that is widely used for various electronic applications. It is capable of supplying output voltages ranging from 1.25V to 37V with an output current of up to 1.5A. The device provides excellent line and load regulation, typically 0.01% and 0.1%, respectively.
Key features of the LM317BTG include thermal overload protection, short circuit protection, and safe area compensation, making it robust and reliable under different operating conditions. It can be used in a variety of applications like power supplies, battery chargers, and as a component in various electronic circuits requiring a stable voltage output.
The LM317BTG is easy to use, needing only two external resistors to set the output voltage, and it can be used with capacitors to improve transient response. Its package type is typically TO-220, which is suitable for heat dissipation with the help of a heat sink if necessary. It is ideal for use in DIY projects, educational purposes, and professional electronic designs.
Key features of the LM317BTG include thermal overload protection, short circuit protection, and safe area compensation, making it robust and reliable under different operating conditions. It can be used in a variety of applications like power supplies, battery chargers, and as a component in various electronic circuits requiring a stable voltage output.
The LM317BTG is easy to use, needing only two external resistors to set the output voltage, and it can be used with capacitors to improve transient response. Its package type is typically TO-220, which is suitable for heat dissipation with the help of a heat sink if necessary. It is ideal for use in DIY projects, educational purposes, and professional electronic designs.
Features
The LM317BTG is a popular adjustable voltage regulator with several key features. It can output a variable voltage ranging from 1.25V to 37V, making it versatile for numerous applications. It provides an output current up to 1.5A with proper heat sinking. The device boasts a typical line regulation of 0.01% and load regulation of 0.1%, ensuring stable performance across various conditions. It includes current limiting, thermal overload protection, and safe area protection to enhance reliability and prevent damage under fault conditions. The LM317BTG is designed for easy use, requiring only two external resistors to set the output voltage. It is available in a TO-220 package, which facilitates efficient heat dissipation. The regulator is suitable for use in power supplies, adjustable power sources, and battery chargers.
Package
The LM317BTG is a three-terminal adjustable voltage regulator typically available in a TO-220 package. This package type features a compact, easy-to-mount design with a metal tab for heat sinking, making it suitable for various electronics applications where adjustable output voltage is required.
Pinout
The LM317BTG is a three-terminal adjustable voltage regulator. It typically comes in a TO-220 package, which features three pins. The functions of these pins are as follows:
1. Input (Pin 1): This is where the unregulated input voltage is applied. The input voltage 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 using external resistors.
3. Adjust (Pin 3): This pin is used to set the output voltage. By connecting it with a voltage divider circuit using resistors, you can adjust the output voltage from 1.25V to 37V.
The LM317BTG provides a stable output with features like overload protection, current limiting, and thermal regulation. It is widely used in power supply applications where an adjustable output voltage is required.
1. Input (Pin 1): This is where the unregulated input voltage is applied. The input voltage 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 using external resistors.
3. Adjust (Pin 3): This pin is used to set the output voltage. By connecting it with a voltage divider circuit using resistors, you can adjust the output voltage from 1.25V to 37V.
The LM317BTG provides a stable output with features like overload protection, current limiting, and thermal regulation. It is widely used in power supply applications where an adjustable output voltage is required.
Manufacturer
The LM317BTG is manufactured by ON Semiconductor, now known as onsemi. Onsemi is a leading semiconductor company that designs and manufactures a broad range of semiconductor and integrated circuit solutions. The company provides products that are essential for a wide array of applications, including automotive, industrial, communications, computing, consumer electronics, and more. Onsemi focuses on energy-efficient innovations, aiming to reduce global energy usage and create more sustainable technology solutions.
Application
The LM317BTG is a versatile voltage regulator commonly used in applications requiring adjustable output voltage. It is utilized in power supplies for electronic devices, battery chargers, and DIY electronics projects. Additionally, it is employed in voltage stabilization circuits for sensors, microcontrollers, and other semiconductor devices. Its capability to provide a stable output voltage makes it suitable for use in audio equipment, communication devices, and instrumentation systems. Its adjustable nature and ease of use make it an excellent choice for both hobbyists and professional engineers designing custom power solutions.
Equivalent
The LM317BTG is a voltage regulator chip. Equivalent products include the LM317T, L78S05CV, and LM1086, among others. These components share similar functionality as adjustable voltage regulators, although specifications such as output current and voltage range may vary slightly. Always check the datasheet for specific requirements and compatibility.
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