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L5973D
+BOMIC REG BUCK ADJ 2.5A 8HSOP
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メーカーRFE/フューゼテック
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メーカー品番 #L5973D
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データシート L5973D DataSheet
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パッケージ PowerSO-8
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在庫状況4404
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 |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 1.235V |
| Voltage-Output(Max) | 35V |
| Current-Output | 2.5A |
| Frequency-Switching | 250kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
概要
Description
"L5973D" does not refer to a widely recognized concept, product, or topic as of my last update in October 2023. It could potentially be an internal code, a product model, a project name, or something specific to a particular industry or organization. Without additional context, it is difficult to provide a precise introduction. If "L5973D" pertains to a specific field, such as electronics, technology, or a proprietary system, I recommend checking related documents, databases, or contacting the organization associated with it for a detailed introduction.
Equivalent
The L5973D is a step-down switching regulator. Equivalent products include:
1. LM2596 from Texas Instruments
2. MC34063 from ON Semiconductor
3. MP1584 from Monolithic Power Systems
4. LM2576 from Texas Instruments
These alternatives offer similar functionality in terms of voltage regulation and are widely used in power management applications. Always check specific parameters like input voltage range, output current, and efficiency to ensure compatibility with your design.
1. LM2596 from Texas Instruments
2. MC34063 from ON Semiconductor
3. MP1584 from Monolithic Power Systems
4. LM2576 from Texas Instruments
These alternatives offer similar functionality in terms of voltage regulation and are widely used in power management applications. Always check specific parameters like input voltage range, output current, and efficiency to ensure compatibility with your design.
Features
The L5973D is a step-down monolithic power switching regulator. Here are some of its key features:
1. Input Voltage Range: It operates with an input voltage range of 4.4V to 36V, making it suitable for a variety of applications.
2. Output Voltage: It provides an adjustable output voltage from 1.235V to the input voltage, allowing flexibility for different application needs.
3. Output Current: The device can deliver up to 1.5A of output current.
4. Efficiency: It is designed to offer high efficiency, typically up to 90%, which helps in reducing heat dissipation and extends battery life in portable applications.
5. Switching Frequency: The L5973D operates at a fixed switching frequency of 250 kHz, which balances efficiency and component size.
6. Protections: It includes overcurrent protection, thermal shutdown, and feedback disconnection to enhance reliability and safety.
7. Package: It comes in a compact SO-8 package which aids in saving PCB space.
These features make the L5973D suitable for use in various applications like consumer electronics, industrial control systems, and automotive environments.
1. Input Voltage Range: It operates with an input voltage range of 4.4V to 36V, making it suitable for a variety of applications.
2. Output Voltage: It provides an adjustable output voltage from 1.235V to the input voltage, allowing flexibility for different application needs.
3. Output Current: The device can deliver up to 1.5A of output current.
4. Efficiency: It is designed to offer high efficiency, typically up to 90%, which helps in reducing heat dissipation and extends battery life in portable applications.
5. Switching Frequency: The L5973D operates at a fixed switching frequency of 250 kHz, which balances efficiency and component size.
6. Protections: It includes overcurrent protection, thermal shutdown, and feedback disconnection to enhance reliability and safety.
7. Package: It comes in a compact SO-8 package which aids in saving PCB space.
These features make the L5973D suitable for use in various applications like consumer electronics, industrial control systems, and automotive environments.
Pinout
The L5973D is a step-down monolithic power switching regulator from STMicroelectronics. It features:
- Pin Count: The L5973D comes in an 8-pin SO-8 package.
- Pin Functions:
1. VCC (Pin 1): Supply Voltage Input. Connects to the input voltage supply.
2. OUT (Pin 2): Switch Output. Connects to the inductor and supplies the output voltage.
3. GND (Pin 3): Ground. Provides a ground reference for the device.
4. FB (Pin 4): Feedback. Connects to the resistive divider from the output to set the output voltage.
5. COMP (Pin 5): Compensation. Used for frequency compensation and soft-start.
6. SYNC (Pin 6): Synchronization. Allows external synchronization with a clock signal.
7. INH (Pin 7): Inhibit. Used to enable or disable the device.
8. NC (Pin 8): No Connect. It’s not internally connected and can be used for routing purposes.
The L5973D is used for applications requiring efficient voltage regulation, with an output current capability of up to 2.5A.
- Pin Count: The L5973D comes in an 8-pin SO-8 package.
- Pin Functions:
1. VCC (Pin 1): Supply Voltage Input. Connects to the input voltage supply.
2. OUT (Pin 2): Switch Output. Connects to the inductor and supplies the output voltage.
3. GND (Pin 3): Ground. Provides a ground reference for the device.
4. FB (Pin 4): Feedback. Connects to the resistive divider from the output to set the output voltage.
5. COMP (Pin 5): Compensation. Used for frequency compensation and soft-start.
6. SYNC (Pin 6): Synchronization. Allows external synchronization with a clock signal.
7. INH (Pin 7): Inhibit. Used to enable or disable the device.
8. NC (Pin 8): No Connect. It’s not internally connected and can be used for routing purposes.
The L5973D is used for applications requiring efficient voltage regulation, with an output current capability of up to 2.5A.
Manufacturer
The L5973D is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is known for designing and manufacturing a wide range of semiconductor devices, including microcontrollers, sensors, and integrated circuits for various applications. The company serves diverse markets such as automotive, industrial, personal electronics, communications equipment, and more. It is headquartered in Geneva, Switzerland, and operates worldwide with a strong focus on innovation and sustainability.
Application
The L5973D is a step-down monolithic power switching regulator with a wide range of application areas. It is commonly used in:
1. Consumer Electronics: Powering microcontrollers and other components.
2. Automotive Systems: Supporting infotainment and control systems.
3. Industrial Equipment: Providing stable power to sensors and controllers.
4. Telecommunications: Powering networking devices and communication modules.
5. Battery-Powered Devices: Efficient power management for extended battery life.
6. Embedded Systems: Supplying regulated voltage to various subsystems.
Its versatility, efficiency, and compact size make it suitable for applications requiring reliable power conversion from higher voltage sources to lower voltages.
1. Consumer Electronics: Powering microcontrollers and other components.
2. Automotive Systems: Supporting infotainment and control systems.
3. Industrial Equipment: Providing stable power to sensors and controllers.
4. Telecommunications: Powering networking devices and communication modules.
5. Battery-Powered Devices: Efficient power management for extended battery life.
6. Embedded Systems: Supplying regulated voltage to various subsystems.
Its versatility, efficiency, and compact size make it suitable for applications requiring reliable power conversion from higher voltage sources to lower voltages.
Package
The L5973D is a DC-DC converter integrated circuit, typically available in a PowerSO-8 package. This package type offers good thermal performance and is suitable for applications requiring efficient power management in compact spaces.
