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LM2576T-ADJ
+BOMIC REG MULT CONFG ADJ 3A TO220-5
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メーカーオンセミコンダクター社
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メーカー品番 #LM2576T-ADJ
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パッケージ TO-220 (KC)-5
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在庫状況5502
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 |
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive or Negative |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 7V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.23V |
| Voltage-Output(Max) | 37V |
| Current-Output | 3A |
| Frequency-Switching | 52kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Through Hole |
| Package/Case | TO-220-5 |
概要
Description
The LM2576T-ADJ is a versatile step-down voltage regulator designed for efficient power management in electronic circuits. This adjustable version of the LM2576 series can output voltages ranging from 1.23V to 37V, making it suitable for a variety of applications. It operates at a fixed switching frequency of 52 kHz, ensuring stability and minimizing electromagnetic interference (EMI).
Key features include a high efficiency of up to 90%, a built-in thermal shutdown, current limit protection, and an output voltage accuracy of ±4%. The LM2576T-ADJ can deliver up to 3A of output current, making it ideal for powering medium-to-high current loads. It requires minimal external components, which simplifies the design process and reduces overall system cost.
The device is commonly used in power supply solutions for various applications, such as battery chargers, distributed power systems, and LCD monitors. Its TO-220 package allows for easy mounting and heat dissipation, ensuring reliable performance even under demanding conditions.
Key features include a high efficiency of up to 90%, a built-in thermal shutdown, current limit protection, and an output voltage accuracy of ±4%. The LM2576T-ADJ can deliver up to 3A of output current, making it ideal for powering medium-to-high current loads. It requires minimal external components, which simplifies the design process and reduces overall system cost.
The device is commonly used in power supply solutions for various applications, such as battery chargers, distributed power systems, and LCD monitors. Its TO-220 package allows for easy mounting and heat dissipation, ensuring reliable performance even under demanding conditions.
Equivalent
The LM2576T-ADJ is a buck switching voltage regulator. Equivalent products include:
1. L4970A - STMicroelectronics
2. MC34063A - ON Semiconductor (lower current)
3. LM2596T-ADJ- Texas Instruments (higher current)
4. L78S40 - STMicroelectronics
5. AP1509-50 - Diodes Incorporated
Ensure the specifications, such as input voltage, output current, and frequency, match your application requirements when selecting an alternative.
1. L4970A - STMicroelectronics
2. MC34063A - ON Semiconductor (lower current)
3. LM2596T-ADJ- Texas Instruments (higher current)
4. L78S40 - STMicroelectronics
5. AP1509-50 - Diodes Incorporated
Ensure the specifications, such as input voltage, output current, and frequency, match your application requirements when selecting an alternative.
Features
The LM2576T-ADJ is a versatile adjustable voltage regulator designed for efficient power conversion. Key features include:
1. Adjustable Output Voltage: Capable of delivering output voltages from 1.23V to 37V, tailored through external resistors.
2. High Efficiency: Delivers efficiency up to 90%, thanks to its switch-mode power conversion.
3. Output Current: Supports a maximum output current of 3A.
4. Wide Input Voltage Range: Operates over a broad input range, from 4V to 40V.
5. Fixed Frequency Operation: Utilizes a fixed switching frequency of 52 kHz, aiding in noise reduction and simplifying filter design.
6. Low Quiescent Current: Features low standby current, enhancing energy efficiency in low-power states.
7. Thermal Shutdown: Includes built-in thermal shutdown to protect against overheating.
8. Current Limit Protection: Provides protection against over-current conditions.
9. Simple Design: Requires minimal external components, simplifying design and layout.
10. Versatile Applications: Suitable for various applications, including power supplies, battery chargers, and distributed power systems.
These features make the LM2576T-ADJ ideal for applications requiring efficient, adjustable power regulation.
1. Adjustable Output Voltage: Capable of delivering output voltages from 1.23V to 37V, tailored through external resistors.
2. High Efficiency: Delivers efficiency up to 90%, thanks to its switch-mode power conversion.
3. Output Current: Supports a maximum output current of 3A.
4. Wide Input Voltage Range: Operates over a broad input range, from 4V to 40V.
5. Fixed Frequency Operation: Utilizes a fixed switching frequency of 52 kHz, aiding in noise reduction and simplifying filter design.
6. Low Quiescent Current: Features low standby current, enhancing energy efficiency in low-power states.
7. Thermal Shutdown: Includes built-in thermal shutdown to protect against overheating.
8. Current Limit Protection: Provides protection against over-current conditions.
9. Simple Design: Requires minimal external components, simplifying design and layout.
10. Versatile Applications: Suitable for various applications, including power supplies, battery chargers, and distributed power systems.
These features make the LM2576T-ADJ ideal for applications requiring efficient, adjustable power regulation.
Pinout
The LM2576T-ADJ is a step-down voltage regulator with a TO-220 package, featuring 5 pins. The pin functions are as follows:
1. Pin 1 (Vin): This is the input pin where the unregulated voltage is supplied to the device. It can accept input voltages ranging from 4V to 40V.
2. Pin 2 (Output): The output pin provides the regulated voltage. The adjustable version can be set to output a desired voltage through external resistors.
3. Pin 3 (Ground): This is the ground pin, serving as the reference point for the input and output voltages.
4. Pin 4 (Feedback): This pin is used to set the output voltage. By connecting it with a voltage divider from the output, the regulator can adjust the output voltage to the desired level.
5. Pin 5 (ON/OFF): This pin allows the device to be turned on and off. It is used for enabling and disabling the regulator's output.
The LM2576T-ADJ offers efficient power conversion with a switching frequency of 52 kHz, making it suitable for various power supply applications.
1. Pin 1 (Vin): This is the input pin where the unregulated voltage is supplied to the device. It can accept input voltages ranging from 4V to 40V.
2. Pin 2 (Output): The output pin provides the regulated voltage. The adjustable version can be set to output a desired voltage through external resistors.
3. Pin 3 (Ground): This is the ground pin, serving as the reference point for the input and output voltages.
4. Pin 4 (Feedback): This pin is used to set the output voltage. By connecting it with a voltage divider from the output, the regulator can adjust the output voltage to the desired level.
5. Pin 5 (ON/OFF): This pin allows the device to be turned on and off. It is used for enabling and disabling the regulator's output.
The LM2576T-ADJ offers efficient power conversion with a switching frequency of 52 kHz, making it suitable for various power supply applications.
Manufacturer
The LM2576T-ADJ is a voltage regulator manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a variety of electronic components, including integrated circuits and embedded processors, used in a wide range of electronic devices. The company is known for its innovation in analog and embedded processing technologies.
Application
The LM2576T-ADJ is a versatile adjustable voltage regulator commonly used in a variety of applications due to its efficiency and reliability. Key application areas include:
1. Power Supplies: Used in switching power supply applications to provide a stable output voltage.
2. Battery Chargers: Ideal for designing efficient battery charging circuits.
3. Embedded Systems: Supplies consistent power for microcontrollers and other embedded components.
4. Industrial Automation: Provides regulated power for sensors and control systems.
5. Consumer Electronics: Used in devices requiring efficient power regulation for better performance and longevity.
Its adjustable output makes it suitable for applications requiring specific voltage levels.
1. Power Supplies: Used in switching power supply applications to provide a stable output voltage.
2. Battery Chargers: Ideal for designing efficient battery charging circuits.
3. Embedded Systems: Supplies consistent power for microcontrollers and other embedded components.
4. Industrial Automation: Provides regulated power for sensors and control systems.
5. Consumer Electronics: Used in devices requiring efficient power regulation for better performance and longevity.
Its adjustable output makes it suitable for applications requiring specific voltage levels.
Package
The LM2576T-ADJ is a voltage regulator in a TO-220 package. This package type allows for easy mounting and heat dissipation, making it suitable for various power supply applications.
