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LM2675M-ADJ
+BOMIC REG BUCK ADJUSTABLE 1A 8SOIC
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #LM2675M-ADJ
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Gói SOIC (D)-8
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Có sẵn4235
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Bulk,Tube |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 6.5V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 1.21V |
| Voltage-Output(Max) | 37V |
| Current-Output | 1A |
| Frequency-Switching | 260kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Tổng quan
Description
The LM2675M-ADJ is a step-down voltage regulator from Texas Instruments, designed to efficiently convert higher input voltages to lower output voltages. It is part of the Simple Switcher family and offers adjustable output voltage capabilities, which can be set with external resistors. The component can deliver up to 1A of output current with a high efficiency rate, typically around 90%, reducing heat generation and power loss.
Key features include a wide input voltage range, typically from 8V to 40V, and an adjustable output range, usually from 1.21V to 37V. The LM2675M-ADJ operates at a fixed frequency of 260 kHz, providing low output ripple and allowing for smaller external components. It also includes features like thermal shutdown, current limiting, and an ON/OFF control for easy power management.
The device is suitable for applications such as battery-powered devices, distributed power systems, and as a means of stepping down voltage in automotive and industrial setups. Its compact size and efficiency make it ideal for use in space-constrained and energy-sensitive environments.
Key features include a wide input voltage range, typically from 8V to 40V, and an adjustable output range, usually from 1.21V to 37V. The LM2675M-ADJ operates at a fixed frequency of 260 kHz, providing low output ripple and allowing for smaller external components. It also includes features like thermal shutdown, current limiting, and an ON/OFF control for easy power management.
The device is suitable for applications such as battery-powered devices, distributed power systems, and as a means of stepping down voltage in automotive and industrial setups. Its compact size and efficiency make it ideal for use in space-constrained and energy-sensitive environments.
Equivalent
The LM2675M-ADJ is a step-down voltage regulator. Equivalent products might include the TI LM2596S-ADJ, LM2676-ADJ, or LM22675-ADJ. Other alternatives are the ON Semiconductor MC34063 or NCP3063, though specifications like output current and efficiency may differ. It’s important to compare datasheets for pin compatibility, voltage range, and power specifications to ensure proper substitution.
Features
The LM2675M-ADJ is a step-down voltage regulator from Texas Instruments. Key features include:
1. Adjustable Output: It provides an adjustable output voltage, accommodating a wide range of applications.
2. Efficiency: High efficiency up to 96%, minimizing power loss and heat generation.
3. Switching Frequency: Operates at 260 kHz, allowing for the use of smaller inductors and capacitors.
4. Output Current: Capable of delivering up to 1A of continuous output current.
5. Input Voltage Range: Supports a wide input voltage range from 8V to 40V.
6. Thermal Shutdown and Current Limiting: Features built-in protection mechanisms to prevent damage under fault conditions.
7. Minimal External Components: Requires a minimal number of external components, simplifying the design and minimizing board space.
8. Package: Available in a small TO-263 surface-mount package for space-constrained applications.
9. Soft Start Capability: Supports soft start functionality to limit inrush currents during startup.
These features make the LM2675M-ADJ suitable for a variety of applications, including battery-powered devices and distributed power systems.
1. Adjustable Output: It provides an adjustable output voltage, accommodating a wide range of applications.
2. Efficiency: High efficiency up to 96%, minimizing power loss and heat generation.
3. Switching Frequency: Operates at 260 kHz, allowing for the use of smaller inductors and capacitors.
4. Output Current: Capable of delivering up to 1A of continuous output current.
5. Input Voltage Range: Supports a wide input voltage range from 8V to 40V.
6. Thermal Shutdown and Current Limiting: Features built-in protection mechanisms to prevent damage under fault conditions.
7. Minimal External Components: Requires a minimal number of external components, simplifying the design and minimizing board space.
8. Package: Available in a small TO-263 surface-mount package for space-constrained applications.
9. Soft Start Capability: Supports soft start functionality to limit inrush currents during startup.
These features make the LM2675M-ADJ suitable for a variety of applications, including battery-powered devices and distributed power systems.
Pinout
The LM2675M-ADJ is a step-down (buck) voltage regulator with adjustable output. It comes in an 8-pin surface-mount (SOIC-8) package. Here is a brief overview of its pin functions:
1. Pin 1 (SW): Switch output. This pin is connected to the inductor and serves as the output for the switching regulator.
2. Pin 2 (GND): Ground. This pin is connected to the system ground.
3. Pin 3 (FB): Feedback. This pin is used to set the output voltage via a resistive divider.
4. Pin 4 (ON/OFF): Enable. This pin is used to enable or disable the regulator. A logic high enables the device, while a logic low disables it.
5. Pin 5 (VIN): Input voltage. This pin is connected to the source voltage.
6. Pin 6 (NC): Not connected. This pin is typically left unconnected but may be connected to ground for stability.
7. Pin 7 (VCC): Supply voltage for the internal circuitry.
8. Pin 8 (COMP/SD): Compensation/Shutdown. This pin is used for frequency compensation and soft start control.
The LM2675M-ADJ is designed for efficient voltage regulation in a variety of applications.
1. Pin 1 (SW): Switch output. This pin is connected to the inductor and serves as the output for the switching regulator.
2. Pin 2 (GND): Ground. This pin is connected to the system ground.
3. Pin 3 (FB): Feedback. This pin is used to set the output voltage via a resistive divider.
4. Pin 4 (ON/OFF): Enable. This pin is used to enable or disable the regulator. A logic high enables the device, while a logic low disables it.
5. Pin 5 (VIN): Input voltage. This pin is connected to the source voltage.
6. Pin 6 (NC): Not connected. This pin is typically left unconnected but may be connected to ground for stability.
7. Pin 7 (VCC): Supply voltage for the internal circuitry.
8. Pin 8 (COMP/SD): Compensation/Shutdown. This pin is used for frequency compensation and soft start control.
The LM2675M-ADJ is designed for efficient voltage regulation in a variety of applications.
Manufacturer
The LM2675M-ADJ is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. The company is a leader in the electronics industry, providing components essential for the development of a wide range of electronic devices. Their products are used in applications spanning consumer electronics, automotive systems, industrial machinery, and communications equipment. TI is known for its innovative solutions and has a strong focus on research and development to advance semiconductor technology.
Application
The LM2675M-ADJ is a step-down voltage regulator used in applications requiring efficient power conversion and regulation. Key application areas include:
1. Consumer Electronics: Power supply for devices like set-top boxes, routers, and gaming consoles.
2. Industrial Equipment: Voltage regulation in PLCs, motor drives, and automation systems.
3. Embedded Systems: Power management for microcontrollers and other embedded devices.
4. Communication Devices: Power supply for modems, routers, and networking equipment.
5. Automotive: Power regulation in infotainment systems and electronic control units.
Its versatility, efficiency, and adjustable output make it suitable for various low-power applications that require stable voltage conversion.
1. Consumer Electronics: Power supply for devices like set-top boxes, routers, and gaming consoles.
2. Industrial Equipment: Voltage regulation in PLCs, motor drives, and automation systems.
3. Embedded Systems: Power management for microcontrollers and other embedded devices.
4. Communication Devices: Power supply for modems, routers, and networking equipment.
5. Automotive: Power regulation in infotainment systems and electronic control units.
Its versatility, efficiency, and adjustable output make it suitable for various low-power applications that require stable voltage conversion.
Package
The LM2675M-ADJ is housed in a surface-mount package type known as the TO-263 (also referred to as D²PAK). This packaging is designed to provide efficient thermal performance and is suitable for applications requiring a compact and reliable power supply solution.
