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LM2594MX-ADJ
+Lista de MateriaisIC REG BUCK ADJ 500MA 8SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #LM2594MX-ADJ
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Pacote 8-SOIC
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Obsolete |
| 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 | 500mA |
| Frequency-Switching | 150kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
The LM2594MX-ADJ is a versatile adjustable voltage regulator from Texas Instruments, designed for efficient step-down (buck) conversion. It operates with an input voltage range of 4.5V to 40V and can provide an adjustable output voltage as low as 1.2V. The device is capable of delivering an output current up to 0.5A, making it suitable for a wide range of applications, including power management in consumer electronics, industrial automation, and automotive systems.
This regulator features a fixed switching frequency of 150 kHz, enabling efficient energy conversion and minimizing external component size. The LM2594MX-ADJ includes built-in features such as thermal shutdown, current limiting, and overvoltage protection, enhancing reliability and safety. Its TO-263 surface-mount package allows for easy integration onto PCBs.
With its high efficiency and low component count, the LM2594MX-ADJ is an excellent choice for designers seeking a reliable and compact solution for voltage regulation in various electronic applications.
This regulator features a fixed switching frequency of 150 kHz, enabling efficient energy conversion and minimizing external component size. The LM2594MX-ADJ includes built-in features such as thermal shutdown, current limiting, and overvoltage protection, enhancing reliability and safety. Its TO-263 surface-mount package allows for easy integration onto PCBs.
With its high efficiency and low component count, the LM2594MX-ADJ is an excellent choice for designers seeking a reliable and compact solution for voltage regulation in various electronic applications.
Equivalent
The LM2594MX-ADJ is a step-down voltage regulator. Equivalent products include:
1. LM2594N-ADJ: Another variant with similar specifications.
2. LM2595-ADJ: Similar functionality with slightly higher current rating.
3. MC34063A: A general-purpose DC-DC converter.
4. L78S05: Though linear, it is a drop-in for fixed-output applications.
5. XL4005: A non-LDO, switching regulator alternative.
Always verify pin configurations and electrical characteristics to ensure compatibility.
1. LM2594N-ADJ: Another variant with similar specifications.
2. LM2595-ADJ: Similar functionality with slightly higher current rating.
3. MC34063A: A general-purpose DC-DC converter.
4. L78S05: Though linear, it is a drop-in for fixed-output applications.
5. XL4005: A non-LDO, switching regulator alternative.
Always verify pin configurations and electrical characteristics to ensure compatibility.
Features
The LM2594MX-ADJ is a versatile step-down (buck) voltage regulator. Key features include:
1. Adjustable Output Voltage: Capable of adjusting the output voltage, typically within a range of 1.2V to 37V.
2. Output Current: Delivers up to 0.5A of continuous output current.
3. Efficiency: Offers high efficiency, usually around 77% to 88%, depending on the input and output voltage conditions.
4. Wide Input Voltage Range: Operates with input voltages ranging from 4.5V to 40V, making it suitable for various applications.
5. Internal Frequency Compensation: Ensures stable operation and minimizes the need for external components.
6. Thermal Shutdown: Protects the device from overheating.
7. Current Limit Protection: Prevents damage by limiting the output current during overload conditions.
8. Low Standby Current: Features reduced power consumption in standby mode.
9. Simple Design: Requires minimal external components for operation.
10. Package: Available in an 8-pin SOIC package.
These features make the LM2594MX-ADJ a reliable choice for efficient power supply design in a variety of electronic applications.
1. Adjustable Output Voltage: Capable of adjusting the output voltage, typically within a range of 1.2V to 37V.
2. Output Current: Delivers up to 0.5A of continuous output current.
3. Efficiency: Offers high efficiency, usually around 77% to 88%, depending on the input and output voltage conditions.
4. Wide Input Voltage Range: Operates with input voltages ranging from 4.5V to 40V, making it suitable for various applications.
5. Internal Frequency Compensation: Ensures stable operation and minimizes the need for external components.
6. Thermal Shutdown: Protects the device from overheating.
7. Current Limit Protection: Prevents damage by limiting the output current during overload conditions.
8. Low Standby Current: Features reduced power consumption in standby mode.
9. Simple Design: Requires minimal external components for operation.
10. Package: Available in an 8-pin SOIC package.
These features make the LM2594MX-ADJ a reliable choice for efficient power supply design in a variety of electronic applications.
Pinout
The LM2594MX-ADJ is a step-down voltage regulator which is adjustable and typically features a 5-pin configuration in a surface-mount package (TO-263-5 or D2PAK). Here's a brief description of its pin functions:
1. Vin: This is the input pin where the input voltage is applied. It can handle a voltage range typically up to 40V.
2. GND: This is the ground pin, which is the reference point for the input and output voltages.
3. Vout: This is the output pin where the regulated output voltage is provided, adjustable via an external resistor divider network.
4. Feedback (FB): This pin is used to set the output voltage. It connects to an external resistor divider to provide feedback to the internal control circuit.
5. ON/OFF: This pin is for enabling or disabling the regulator. A logic high enables the device, while a logic low disables it, reducing the current consumption.
The LM2594MX-ADJ is commonly used for efficient voltage regulation in various applications due to its ability to provide a regulated output with minimal external components.
1. Vin: This is the input pin where the input voltage is applied. It can handle a voltage range typically up to 40V.
2. GND: This is the ground pin, which is the reference point for the input and output voltages.
3. Vout: This is the output pin where the regulated output voltage is provided, adjustable via an external resistor divider network.
4. Feedback (FB): This pin is used to set the output voltage. It connects to an external resistor divider to provide feedback to the internal control circuit.
5. ON/OFF: This pin is for enabling or disabling the regulator. A logic high enables the device, while a logic low disables it, reducing the current consumption.
The LM2594MX-ADJ is commonly used for efficient voltage regulation in various applications due to its ability to provide a regulated output with minimal external components.
Manufacturer
The LM2594MX-ADJ is manufactured by Texas Instruments, an American technology company. Texas Instruments is known for designing and manufacturing semiconductors and integrated circuits, which are essential components found in electronic devices. The company serves a wide range of industries, including consumer electronics, automotive, industrial, and communications. Texas Instruments is recognized as one of the leading producers of analog chips and embedded processors.
Application
The LM2594MX-ADJ is a versatile DC-DC buck converter used in various applications due to its efficiency, adjustable output, and compact design. Key application areas include:
1. Power management in consumer electronics, such as televisions, set-top boxes, and gaming consoles.
2. Industrial equipment, providing stable power for control systems and sensors.
3. Telecommunications, used in networking equipment like routers and switches for efficient power conversion.
4. Automotive electronics, offering power regulation for infotainment systems and other in-car devices.
5. Battery-powered devices, ensuring efficient power usage and extended battery life.
These applications benefit from the LM2594MX-ADJ's ability to provide a stable, adjustable output voltage with minimal external components.
1. Power management in consumer electronics, such as televisions, set-top boxes, and gaming consoles.
2. Industrial equipment, providing stable power for control systems and sensors.
3. Telecommunications, used in networking equipment like routers and switches for efficient power conversion.
4. Automotive electronics, offering power regulation for infotainment systems and other in-car devices.
5. Battery-powered devices, ensuring efficient power usage and extended battery life.
These applications benefit from the LM2594MX-ADJ's ability to provide a stable, adjustable output voltage with minimal external components.
Package
The LM2594MX-ADJ is a step-down voltage regulator with an adjustable output. It comes in a surface-mount package type known as the SOIC-8 (Small Outline Integrated Circuit with 8 pins). This package is suitable for compact circuit designs and offers efficient thermal performance.
