LM317BD2TG

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LM317BD2TG

IC REG LIN POS ADJ 1.5A D2PAK-3

  • Manufacturer
  • Mfr. Part #LM317BD2TG
  • Package TO-263-3
  • Datasheet
  • In Stock4994

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Specifications

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 Surface Mount
Package/Case TO-263-3, D²Pak (2 Leads + Tab), TO-263AB

Overview

Description

The LM317BD2TG is a popular adjustable voltage regulator commonly used in electronic circuits for power supply applications. It is part of the LM317 series and is designed to provide a stable output voltage that can be adjusted from 1.25V to 37V, making it versatile for various applications. The device can deliver an output current of up to 1.5A, which is sufficient for many low to medium power applications.
Key features include thermal overload protection and short-circuit protection, ensuring reliability and safety during operation. The LM317BD2TG typically requires only two external resistors to set the output voltage, simplifying circuit design. Its wide input voltage range, from 3V to 40V, makes it suitable for different power supply sources.
It is housed in a TO-263 package, which facilitates easy mounting on PCBs and effective heat dissipation. This regulator is commonly used in battery chargers, power adapters, and other electronic devices requiring a stable and adjustable power supply. Its ease of use, reliability, and wide range of applications make the LM317BD2TG a staple component in many electronic projects.

Features

The LM317BD2TG is a versatile, adjustable voltage regulator designed for a wide range of applications. Key features include:
1. Adjustable Output Voltage: It offers an output voltage range from 1.25V to 37V, allowing flexibility for various electronic needs.

2. Output Current: It can deliver output currents up to 1.5A, making it suitable for medium power applications.
3. Thermal Regulation: Integrates thermal overload protection ensuring the device shuts down when the internal temperature exceeds safety limits.
4. Short-Circuit Protection: Features internal current limiting to safeguard against short-circuit conditions.
5. Line Regulation: Provides stable output despite changes in input voltage, crucial for reliable performance.
6. Load Regulation: Maintains consistent output voltage under varying load conditions.
7. Package Type: Available in a D2PAK package, facilitating efficient heat dissipation and compact PCB designs.
8. Ease of Use: Requires only two external resistors to set the output voltage, simplifying circuit design.
Overall, the LM317BD2TG is a robust, reliable choice for adjustable voltage regulation, ideal for power supplies and other electronic circuit applications.

Package

The LM317BD2TG is a voltage regulator packaged in a D2PAK, a surface-mount package type. D2PAK is designed for high power dissipation applications and allows for efficient heat dissipation, making it suitable for the LM317's role in regulating power supply voltages.

Pinout

The LM317BD2TG is a three-terminal adjustable voltage regulator. It is commonly used to provide a stable output voltage that can be adjusted over a range of approximately 1.25V to 37V with the use of external resistors.
The device has the following pin configuration:
1. Input (IN): This pin receives the unregulated input voltage.
2. Output (OUT): This pin provides the regulated output voltage.
3. Adjust (ADJ): This pin is used to set the output voltage through an external resistor divider network.
The LM317BD2TG is capable of delivering output currents in excess of 1.5A, depending on the model and thermal conditions. It's widely used in applications requiring a reliable and adjustable power supply.

Manufacturer

The LM317BD2TG is manufactured by ON Semiconductor. ON Semiconductor is a leading global supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient power and signal management, logic, discrete, and custom devices. Their products are widely used in various sectors, including automotive, communications, computing, consumer electronics, industrial, medical, and military/aerospace. The company focuses on innovation and sustainable practices, aiming to address the evolving needs of a connected world through their advanced technologies and solutions.

Application

The LM317BD2TG is a versatile voltage regulator used primarily for adjustable linear voltage regulation applications. It is commonly found in power supply design for electronic circuits, battery chargers, and LED drivers. Its ability to provide a stable output voltage makes it suitable for use in consumer electronics, communication devices, and instrumentation. Additionally, it is utilized in embedded systems and microcontroller-based projects due to its ease of use and reliability in providing a consistent voltage level.

Equivalent

The LM317BD2TG is a voltage regulator from ON Semiconductor. Equivalent products include the LM317 from Texas Instruments, the NTE956 by NTE Electronics, and the KA317 from Fairchild Semiconductor. These regulators generally offer similar adjustable output voltage range and current capabilities. Always check the specific datasheets for detailed electrical characteristics and pin configurations to ensure compatibility.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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