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LM2596T-ADJ
+物料清單IC REG BUCK ADJ 3A TO220-5
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製造商德州儀器
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製造商部分 #LM2596T-ADJ
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規格
| 屬性 | 價值 |
| Package | Tube |
| 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 | Through Hole |
| Package/Case | TO-220-5 Formed Leads |
概述
Description
The LM2596T-ADJ is a popular adjustable voltage regulator integrated circuit (IC) designed for efficient step-down (buck) voltage regulation. Manufactured by Texas Instruments, it operates with a wide input voltage range from about 4.5V to 40V, making it suitable for various applications. This IC can deliver an output current of up to 3A, with an adjustable output voltage range typically from 1.23V to 37V.
Key features of the LM2596T-ADJ include a high efficiency of up to 90%, thermal shutdown, current-limit protection, and an internal frequency oscillator running at 150 kHz. These features ensure reliable performance and protection against overloading and overheating. The IC requires minimal external components, which simplifies the design process, making it ideal for power supply applications in consumer electronics, automotive systems, and industrial equipment.
The TO-220 package of the LM2596T-ADJ provides good heat dissipation, and its easy-to-use design supports compact and cost-effective power supply solutions. It is widely used in DIY projects and commercial products where regulated DC power is needed.
Key features of the LM2596T-ADJ include a high efficiency of up to 90%, thermal shutdown, current-limit protection, and an internal frequency oscillator running at 150 kHz. These features ensure reliable performance and protection against overloading and overheating. The IC requires minimal external components, which simplifies the design process, making it ideal for power supply applications in consumer electronics, automotive systems, and industrial equipment.
The TO-220 package of the LM2596T-ADJ provides good heat dissipation, and its easy-to-use design supports compact and cost-effective power supply solutions. It is widely used in DIY projects and commercial products where regulated DC power is needed.
Equivalent
Equivalent products to the LM2596T-ADJ adjustable voltage regulator include:
1. XL4015: A 5A DC-DC step-down module.
2. MP1584: A compact 3A step-down regulator.
3. LTC3780: A high-efficiency buck-boost converter.
4. MC34063: A versatile DC-DC converter.
5. TPS54331: A 3A step-down converter from Texas Instruments.
These alternatives vary in features, efficiency, and output capabilities, so choose based on specific application requirements.
1. XL4015: A 5A DC-DC step-down module.
2. MP1584: A compact 3A step-down regulator.
3. LTC3780: A high-efficiency buck-boost converter.
4. MC34063: A versatile DC-DC converter.
5. TPS54331: A 3A step-down converter from Texas Instruments.
These alternatives vary in features, efficiency, and output capabilities, so choose based on specific application requirements.
Features
The LM2596T-ADJ is a popular DC-DC buck converter IC designed for step-down voltage applications. Key features include:
1. Adjustable Output Voltage: It allows for precise voltage regulation with an adjustable output, typically ranging from 1.23V to 37V.
2. High Efficiency: The IC offers high efficiency of up to 90%, minimizing power loss during conversion.
3. Output Current Capability: It can deliver up to 3A of output current, suitable for powering various devices.
4. Wide Input Voltage Range: The LM2596T-ADJ supports input voltages from 4.5V to 40V, making it versatile for different applications.
5. Switching Frequency: Operates at a fixed frequency of 150 kHz, which helps in reducing the size of external components.
6. Thermal Shutdown and Current Limiting: These protection features prevent damage due to overheating and excessive current.
7. Low Standby Current: The device has a low standby current, enhancing efficiency in low-load conditions.
The LM2596T-ADJ is widely used in power supply solutions due to its reliability and versatility, suitable for applications like battery chargers and LED drivers.
1. Adjustable Output Voltage: It allows for precise voltage regulation with an adjustable output, typically ranging from 1.23V to 37V.
2. High Efficiency: The IC offers high efficiency of up to 90%, minimizing power loss during conversion.
3. Output Current Capability: It can deliver up to 3A of output current, suitable for powering various devices.
4. Wide Input Voltage Range: The LM2596T-ADJ supports input voltages from 4.5V to 40V, making it versatile for different applications.
5. Switching Frequency: Operates at a fixed frequency of 150 kHz, which helps in reducing the size of external components.
6. Thermal Shutdown and Current Limiting: These protection features prevent damage due to overheating and excessive current.
7. Low Standby Current: The device has a low standby current, enhancing efficiency in low-load conditions.
The LM2596T-ADJ is widely used in power supply solutions due to its reliability and versatility, suitable for applications like battery chargers and LED drivers.
Pinout
The LM2596T-ADJ is a step-down (buck) voltage regulator with an adjustable output. It comes in a TO-220 package and has a total of 5 pins. Here are the pin functions:
1. Input (Vin): This pin is where the unregulated input voltage is applied.
2. Output (Vout): This pin provides the regulated output voltage.
3. Ground (GND): This is the ground reference for the input and output voltages.
4. Feedback (FB): This pin is used to set the output voltage level. A voltage divider connected to this pin allows adjustment of the output voltage.
5. ON/OFF: This pin is used to enable or disable the regulator. When connected to ground, the regulator is ON. When a voltage is applied, the regulator is turned OFF.
The LM2596T-ADJ is widely used in power supply designs for its efficiency and ease of use, ideal for converting higher input voltages to lower adjustable output voltages.
1. Input (Vin): This pin is where the unregulated input voltage is applied.
2. Output (Vout): This pin provides the regulated output voltage.
3. Ground (GND): This is the ground reference for the input and output voltages.
4. Feedback (FB): This pin is used to set the output voltage level. A voltage divider connected to this pin allows adjustment of the output voltage.
5. ON/OFF: This pin is used to enable or disable the regulator. When connected to ground, the regulator is ON. When a voltage is applied, the regulator is turned OFF.
The LM2596T-ADJ is widely used in power supply designs for its efficiency and ease of use, ideal for converting higher input voltages to lower adjustable output voltages.
Manufacturer
The LM2596T-ADJ is a voltage regulator manufactured by Texas Instruments. Texas Instruments is a global technology company known for designing and manufacturing semiconductors and various integrated circuits. The company is a leader in the electronics industry, providing a broad range of products that are crucial for electronic devices across various sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is particularly renowned for its analog chips and embedded processors.
Application
The LM2596T-ADJ is a versatile voltage regulator used in various applications. Its common areas of use include:
1. Power Supplies: Converts higher voltage inputs to lower, regulated outputs for devices and circuits.
2. Battery Chargers: Regulates voltage and current for safe battery charging.
3. Embedded Systems: Provides stable power to microcontrollers and other components.
4. Consumer Electronics: Used in devices that require efficient voltage conversion, such as adapters and chargers.
5. Industrial Equipment: Powers and controls sensors, relays, and other components.
6. LED Drivers: Regulates current for consistent LED performance.
7. Telecommunications: Provides regulated power to communication devices and systems.
Its adjustable output voltage makes it suitable for various custom voltage regulation needs.
1. Power Supplies: Converts higher voltage inputs to lower, regulated outputs for devices and circuits.
2. Battery Chargers: Regulates voltage and current for safe battery charging.
3. Embedded Systems: Provides stable power to microcontrollers and other components.
4. Consumer Electronics: Used in devices that require efficient voltage conversion, such as adapters and chargers.
5. Industrial Equipment: Powers and controls sensors, relays, and other components.
6. LED Drivers: Regulates current for consistent LED performance.
7. Telecommunications: Provides regulated power to communication devices and systems.
Its adjustable output voltage makes it suitable for various custom voltage regulation needs.
Package
The LM2596T-ADJ is available in a TO-220 package. This package type is a through-hole design commonly used for power semiconductors, providing efficient heat dissipation and ease of mounting on heat sinks for enhanced thermal management.
