사양
| 속성 | 가치 |
| Package | Tape & Reel (TR) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.2V |
| Voltage-Output(Max) | 37V |
| Current-Output | 3A |
| Frequency-Switching | 150kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
개요
Description
The LM2596SX-ADJ is a popular adjustable voltage regulator designed for high-efficiency step-down (buck) applications. Manufactured by Texas Instruments, it is part of the LM2596 series, known for its ability to efficiently convert a higher DC input voltage to a lower DC output voltage. The "ADJ" in its name indicates that it is an adjustable version, allowing users to set the output voltage to a desired level using external resistors.
The device operates at a switching frequency of 150 kHz, which contributes to its efficient power conversion and compact design. It can deliver an output current of up to 3A, making it suitable for a wide range of applications that require reliable and efficient power regulation.
Key features include a wide input voltage range (4.5V to 40V), thermal shutdown, current limit protection, and an output voltage range of 1.23V to 37V. Its TO-263 surface-mount package allows for easy integration into circuit boards. This flexibility and reliability make the LM2596SX-ADJ suitable for use in power supply systems for various electronic devices and embedded systems.
The device operates at a switching frequency of 150 kHz, which contributes to its efficient power conversion and compact design. It can deliver an output current of up to 3A, making it suitable for a wide range of applications that require reliable and efficient power regulation.
Key features include a wide input voltage range (4.5V to 40V), thermal shutdown, current limit protection, and an output voltage range of 1.23V to 37V. Its TO-263 surface-mount package allows for easy integration into circuit boards. This flexibility and reliability make the LM2596SX-ADJ suitable for use in power supply systems for various electronic devices and embedded systems.
Equivalent
The LM2596SX-ADJ is a popular adjustable voltage regulator. Equivalent alternatives include the LM2678-ADJ, LM2576-ADJ, and LM22670-ADJ from Texas Instruments. Other manufacturers offer similar products, such as the MC34063 from ON Semiconductor and the XL4015 from XLSEMI. Ensure compatibility in terms of voltage, current ratings, and pin configuration when selecting an equivalent.
Features
The LM2596SX-ADJ is an adjustable voltage regulator from the LM2596 series, known for its efficiency and simplicity in step-down (buck) voltage regulation. Key features include:
1. Adjustable Output Voltage: Allows for output voltage range selection from 1.23V up to 37V, accommodating various applications.
2. Output Current: Capable of delivering an output current of up to 3A, suitable for powering a range of devices.
3. Efficiency: High efficiency up to 90%, which reduces heat dissipation and improves performance in power-sensitive applications.
4. Fixed Switching Frequency: Operates at a frequency of 150kHz, which helps in reducing the size of external components.
5. Thermal Shutdown: Built-in thermal shutdown protection to prevent overheating.
6. Short-Circuit and Overcurrent Protection: Features protections to prevent damage from external fault conditions.
7. Minimum External Components: Streamlined design requiring few external components, simplifying circuit design.
8. Applications: Suitable for use in battery chargers, power supply units, and other low-voltage applications.
These features make the LM2596SX-ADJ a versatile choice for efficient power conversion in both consumer and industrial applications.
1. Adjustable Output Voltage: Allows for output voltage range selection from 1.23V up to 37V, accommodating various applications.
2. Output Current: Capable of delivering an output current of up to 3A, suitable for powering a range of devices.
3. Efficiency: High efficiency up to 90%, which reduces heat dissipation and improves performance in power-sensitive applications.
4. Fixed Switching Frequency: Operates at a frequency of 150kHz, which helps in reducing the size of external components.
5. Thermal Shutdown: Built-in thermal shutdown protection to prevent overheating.
6. Short-Circuit and Overcurrent Protection: Features protections to prevent damage from external fault conditions.
7. Minimum External Components: Streamlined design requiring few external components, simplifying circuit design.
8. Applications: Suitable for use in battery chargers, power supply units, and other low-voltage applications.
These features make the LM2596SX-ADJ a versatile choice for efficient power conversion in both consumer and industrial applications.
Pinout
The LM2596SX-ADJ is a popular adjustable DC-DC step-down (buck) voltage regulator. It comes in a surface-mount TO-263 package, which typically has five pins. Here's a brief overview of the pin count and functions:
1. VIN (Pin 1): This is the input voltage pin where the DC input voltage is supplied. It typically supports an input range of 4.5V to 40V.
2. Output (Pin 2): This is the output pin where the regulated DC voltage is provided. The output voltage is adjustable between 1.2V and 37V, depending on the external resistors used.
3. Ground (Pin 3): This pin is the ground reference for the device and is connected to the system ground.
4. Feedback (Pin 4): The feedback pin is used to set the output voltage. An external voltage divider is connected to this pin to adjust the output voltage to the desired level.
5. ON/OFF (Pin 5): This pin is used to enable or disable the device. It can be connected to a logic signal to turn the regulator on or off.
These pins allow the LM2596SX-ADJ to efficiently step down voltage for various applications.
1. VIN (Pin 1): This is the input voltage pin where the DC input voltage is supplied. It typically supports an input range of 4.5V to 40V.
2. Output (Pin 2): This is the output pin where the regulated DC voltage is provided. The output voltage is adjustable between 1.2V and 37V, depending on the external resistors used.
3. Ground (Pin 3): This pin is the ground reference for the device and is connected to the system ground.
4. Feedback (Pin 4): The feedback pin is used to set the output voltage. An external voltage divider is connected to this pin to adjust the output voltage to the desired level.
5. ON/OFF (Pin 5): This pin is used to enable or disable the device. It can be connected to a logic signal to turn the regulator on or off.
These pins allow the LM2596SX-ADJ to efficiently step down voltage for various applications.
Manufacturer
The LM2596SX-ADJ is manufactured by Texas Instruments. Texas Instruments (TI) is a global technology company known for designing and manufacturing semiconductors and various integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest and most well-established semiconductor companies in the world.
TI's product portfolio includes analog chips, embedded processors, and digital light processing technology, among others. The company serves a wide range of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its focus on innovation and quality, with a significant investment in research and development to address the evolving needs of its customers.
TI's product portfolio includes analog chips, embedded processors, and digital light processing technology, among others. The company serves a wide range of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its focus on innovation and quality, with a significant investment in research and development to address the evolving needs of its customers.
Application
The LM2596SX-ADJ is a versatile adjustable DC-DC step-down voltage regulator. Its applications include:
1. Power Supply Solutions: Used in power supply modules to convert higher DC voltages to lower ones efficiently.
2. Battery-Powered Devices: Extends battery life by efficiently managing power consumption.
3. Embedded Systems: Provides stable power for microcontrollers and other components.
4. Industrial Equipment: Powers sensors and controllers in industrial automation.
5. Telecommunications: Supplies power to telecom equipment requiring regulated voltages.
6. Consumer Electronics: Used in devices like laptops, tablets, and set-top boxes.
7. Automotive: Offers regulated power for automotive electronics.
Its efficiency and adjustable output make it suitable for diverse applications requiring reliable voltage regulation.
1. Power Supply Solutions: Used in power supply modules to convert higher DC voltages to lower ones efficiently.
2. Battery-Powered Devices: Extends battery life by efficiently managing power consumption.
3. Embedded Systems: Provides stable power for microcontrollers and other components.
4. Industrial Equipment: Powers sensors and controllers in industrial automation.
5. Telecommunications: Supplies power to telecom equipment requiring regulated voltages.
6. Consumer Electronics: Used in devices like laptops, tablets, and set-top boxes.
7. Automotive: Offers regulated power for automotive electronics.
Its efficiency and adjustable output make it suitable for diverse applications requiring reliable voltage regulation.
Package
The LM2596SX-ADJ is a voltage regulator from Texas Instruments, typically available in a TO-263 package. This surface-mount package supports efficient thermal management and is commonly used in power supply designs.
