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LM2596R-5.0
+BOMIC REG BUCK 5V 3A TO263-5L
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メーカーターキン
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メーカー品番 #LM2596R-5.0
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データシート LM2596R-5.0 DataSheet
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在庫状況18554
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Series | SIMPLE SWITCHER® |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min / Fixed) | 5V |
| Current - Output | 3A |
| Frequency - Switching | 150kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5L |
概要
Description
The LM2596R-5.0 is a popular step-down (buck) voltage regulator from the LM2596 series, designed by Texas Instruments. It is engineered to efficiently convert a higher DC input voltage to a lower DC output voltage with minimal heat dissipation. Specifically, the LM2596R-5.0 provides a fixed 5.0V output, making it ideal for powering 5V devices from higher voltage sources, such as 12V or 24V systems.
Key features include a wide input voltage range of 4.5V to 40V, an output current capability of up to 3A, and a high efficiency of up to 90%, depending on the input voltage and load conditions. The device operates at a switching frequency of 150 kHz, which helps reduce the size of the external inductor and capacitors.
The LM2596R-5.0 also offers built-in thermal shutdown, current limit protection, and an output switch capable of handling up to 3A. It is commonly used in power supply applications for consumer electronics, industrial equipment, and distributed power systems.
Key features include a wide input voltage range of 4.5V to 40V, an output current capability of up to 3A, and a high efficiency of up to 90%, depending on the input voltage and load conditions. The device operates at a switching frequency of 150 kHz, which helps reduce the size of the external inductor and capacitors.
The LM2596R-5.0 also offers built-in thermal shutdown, current limit protection, and an output switch capable of handling up to 3A. It is commonly used in power supply applications for consumer electronics, industrial equipment, and distributed power systems.
Equivalent
The LM2596R-5.0 is a step-down (buck) voltage regulator. Equivalent products include:
1. XL4015 - Offers similar functionality with higher current capabilities.
2. MP1584 - A compact alternative with adjustable output.
3. L7805 - A linear regulator equivalent with fixed 5V output.
4. LM2675-5.0 - Another fixed 5V output regulator from the same family.
5. MC34063 - Offers a more versatile voltage conversion capability.
These alternatives may vary in input voltage range, output current, and efficiency.
1. XL4015 - Offers similar functionality with higher current capabilities.
2. MP1584 - A compact alternative with adjustable output.
3. L7805 - A linear regulator equivalent with fixed 5V output.
4. LM2675-5.0 - Another fixed 5V output regulator from the same family.
5. MC34063 - Offers a more versatile voltage conversion capability.
These alternatives may vary in input voltage range, output current, and efficiency.
Features
The LM2596R-5.0 is a step-down voltage regulator designed to provide a fixed output voltage of 5.0V. It is part of the LM2596 series developed for efficient voltage regulation in power supply applications. Key features include:
1. Wide Input Voltage Range: Operates with input voltages from 4.5V to 40V, making it versatile for various power sources.
2. Fixed Output Voltage: Delivers a stable 5.0V output, suitable for powering 5V systems.
3. High Efficiency: Offers efficiency up to 90%, reducing power loss and heat generation.
4. Output Current: Capable of delivering up to 3A of continuous current, sufficient for many applications.
5. Thermal Shutdown: Includes built-in thermal protection to prevent overheating.
6. Short-Circuit Protection: Protects against output short circuits.
7. Simple Design: Requires minimal external components, simplifying circuit design.
8. Switching Frequency: Operates at a fixed switching frequency of around 150 kHz.
These features make the LM2596R-5.0 suitable for applications in industrial, consumer electronics, and automotive sectors where efficient and reliable voltage regulation is needed.
1. Wide Input Voltage Range: Operates with input voltages from 4.5V to 40V, making it versatile for various power sources.
2. Fixed Output Voltage: Delivers a stable 5.0V output, suitable for powering 5V systems.
3. High Efficiency: Offers efficiency up to 90%, reducing power loss and heat generation.
4. Output Current: Capable of delivering up to 3A of continuous current, sufficient for many applications.
5. Thermal Shutdown: Includes built-in thermal protection to prevent overheating.
6. Short-Circuit Protection: Protects against output short circuits.
7. Simple Design: Requires minimal external components, simplifying circuit design.
8. Switching Frequency: Operates at a fixed switching frequency of around 150 kHz.
These features make the LM2596R-5.0 suitable for applications in industrial, consumer electronics, and automotive sectors where efficient and reliable voltage regulation is needed.
Pinout
The LM2596R-5.0 is a fixed 5V output voltage step-down (buck) voltage regulator. It comes in a TO-220 or TO-263 package, typically with 5 pins. Here are the pin functions:
1. Vin: Input voltage pin, where the input voltage (up to 40V) is supplied.
2. Output: Output pin, where the regulated 5V voltage is delivered.
3. Ground (GND): Ground pin, connected to the ground of the circuit.
4. Feedback (FB): Used for adjustable versions to set the output voltage. For the fixed 5V version, this pin is connected internally.
5. ON/OFF: This is an optional pin used to enable or disable the regulator. If not used, it is typically tied to ground for normal operation.
The LM2596R-5.0 is designed for efficient voltage conversion with features like thermal shutdown, current limit protection, and a high switching frequency to reduce the size of external components.
1. Vin: Input voltage pin, where the input voltage (up to 40V) is supplied.
2. Output: Output pin, where the regulated 5V voltage is delivered.
3. Ground (GND): Ground pin, connected to the ground of the circuit.
4. Feedback (FB): Used for adjustable versions to set the output voltage. For the fixed 5V version, this pin is connected internally.
5. ON/OFF: This is an optional pin used to enable or disable the regulator. If not used, it is typically tied to ground for normal operation.
The LM2596R-5.0 is designed for efficient voltage conversion with features like thermal shutdown, current limit protection, and a high switching frequency to reduce the size of external components.
Manufacturer
The LM2596R-5.0 is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments designs and produces a wide range of electronics components, including analog and embedded processing chips. The company is known for its innovation in the semiconductor industry, providing essential components for various electronic devices and systems worldwide. Texas Instruments serves multiple sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.
Application
The LM2596R-5.0 is a voltage regulator primarily used in applications requiring efficient step-down (buck) voltage conversion. It is suitable for:
1. Power supply solutions for embedded systems and microcontrollers.
2. Consumer electronics, such as LCD monitors and battery chargers.
3. Industrial automation controls and distributed power systems.
4. Telecommunications equipment requiring stable 5V power.
5. Automotive electronics for powering 5V subsystems.
6. LED drivers requiring constant voltage regulation.
7. Portable devices that need efficient battery power management.
These applications benefit from the LM2596R-5.0's high efficiency, simple design requirements, and ability to handle up to 3A of output current.
1. Power supply solutions for embedded systems and microcontrollers.
2. Consumer electronics, such as LCD monitors and battery chargers.
3. Industrial automation controls and distributed power systems.
4. Telecommunications equipment requiring stable 5V power.
5. Automotive electronics for powering 5V subsystems.
6. LED drivers requiring constant voltage regulation.
7. Portable devices that need efficient battery power management.
These applications benefit from the LM2596R-5.0's high efficiency, simple design requirements, and ability to handle up to 3A of output current.
Package
The LM2596R-5.0 is typically available in a TO-220 package. This is a through-hole package type commonly used for voltage regulator ICs, allowing for easy heat dissipation and mounting onto circuit boards.
