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LM2672M-ADJ
IC REG BUCK ADJ 1A 8SOIC
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規格
| Series | SIMPLE SWITCHER® |
| Part Status | Obsolete |
| Base Product Number | LM2672 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 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 |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tube |
概述
Description
The LM2672M-ADJ is a versatile step-down voltage regulator from Texas Instruments. It is part of the SIMPLE SWITCHER® family, known for ease of use and reliability. This adjustable version allows output voltage customization, typically ranging from 1.21V to 37V, making it adaptable for various applications. The device can handle an input voltage between 8V and 40V and delivers up to 1A of continuous load current. Its efficiency is a notable feature, achieved through a switching frequency of 260 kHz, which minimizes size and heat dissipation. The LM2672M-ADJ is equipped with features like thermal shutdown, current limiting, and a fixed-frequency oscillator for stability. It also provides a shutdown pin for low power mode. This regulator is suitable for applications requiring precise voltage control, such as in industrial, automotive, and consumer electronics. Its compact design and performance efficiency make it a popular choice for engineers seeking a reliable power management solution.
Features
The LM2672M-ADJ is a versatile adjustable voltage regulator from Texas Instruments, designed for efficient power management in various applications. Key features include:
1. Wide Input Voltage Range: It operates efficiently over a wide input voltage range, making it suitable for various power supplies.
2. Adjustable Output Voltage: The device provides an adjustable output voltage, allowing flexibility in setting the desired output level.
3. High Efficiency: It offers high efficiency, typically around 90%, which helps in reducing power loss and heat generation.
4. Switching Frequency: The regulator operates at a fixed switching frequency of 260 kHz, ensuring stability and minimizing output ripple.
5. Output Current Capability: It can deliver an output current of up to 1A, suitable for powering moderate load applications.
6. Thermal and Overcurrent Protection: Built-in protection features guard against thermal overload and overcurrent conditions, enhancing reliability.
7. Compact Package: Available in a compact SOIC-8 package, it is ideal for space-constrained designs.
These features make the LM2672M-ADJ a reliable choice for applications requiring efficient voltage regulation with adjustable output in a compact form factor.
1. Wide Input Voltage Range: It operates efficiently over a wide input voltage range, making it suitable for various power supplies.
2. Adjustable Output Voltage: The device provides an adjustable output voltage, allowing flexibility in setting the desired output level.
3. High Efficiency: It offers high efficiency, typically around 90%, which helps in reducing power loss and heat generation.
4. Switching Frequency: The regulator operates at a fixed switching frequency of 260 kHz, ensuring stability and minimizing output ripple.
5. Output Current Capability: It can deliver an output current of up to 1A, suitable for powering moderate load applications.
6. Thermal and Overcurrent Protection: Built-in protection features guard against thermal overload and overcurrent conditions, enhancing reliability.
7. Compact Package: Available in a compact SOIC-8 package, it is ideal for space-constrained designs.
These features make the LM2672M-ADJ a reliable choice for applications requiring efficient voltage regulation with adjustable output in a compact form factor.
Package
The LM2672M-ADJ is a step-down voltage regulator from Texas Instruments, available in an 8-pin surface-mount package, specifically the SOIC (Small Outline Integrated Circuit) package.
Pinout
The LM2672M-ADJ is a step-down voltage regulator from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. Vin: Input voltage pin. Connects to the input voltage source.
2. SW: Switch pin. The internal power switch output.
3. GND: Ground pin. Common ground connection.
4. FB: Feedback pin. Used to set the output voltage by connecting it to a resistor divider network.
5. ON/OFF: Enable pin. Turns the regulator on or off.
6. NC: No connection. Pin is not used.
7. NC: No connection. Pin is not used.
8. BOOT: Bootstrap pin. Connects to an external capacitor to power the internal high-side driver.
The LM2672M-ADJ is part of a family of adjustable regulators, allowing for flexible output voltage settings by using external resistors. Its primary function is to efficiently convert a higher DC input voltage to a lower DC output voltage with adjustable settings.
1. Vin: Input voltage pin. Connects to the input voltage source.
2. SW: Switch pin. The internal power switch output.
3. GND: Ground pin. Common ground connection.
4. FB: Feedback pin. Used to set the output voltage by connecting it to a resistor divider network.
5. ON/OFF: Enable pin. Turns the regulator on or off.
6. NC: No connection. Pin is not used.
7. NC: No connection. Pin is not used.
8. BOOT: Bootstrap pin. Connects to an external capacitor to power the internal high-side driver.
The LM2672M-ADJ is part of a family of adjustable regulators, allowing for flexible output voltage settings by using external resistors. Its primary function is to efficiently convert a higher DC input voltage to a lower DC output voltage with adjustable settings.
Manufacturer
The LM2672M-ADJ is manufactured by Texas Instruments (TI), a global technology company. Texas Instruments is primarily known for its development and production of semiconductors and various integrated circuits, which are used in electronics products worldwide. The company serves a broad range of industries, including automotive, industrial, personal electronics, communications, and enterprise systems. TI is recognized for its innovation in analog and embedded processing products, which are integral to modern electronic systems.
Application
The LM2672M-ADJ is a step-down voltage regulator commonly used in applications requiring efficient power conversion and regulation. Its application areas include distributed power systems, battery-powered equipment, industrial automation, consumer electronics, and embedded systems. It is well-suited for powering microcontrollers, sensors, and other low-voltage devices from higher voltage sources, ensuring stable and efficient operation.
Equivalent
The LM2672M-ADJ is a step-down voltage regulator. Equivalent products include:
1. LM2596-ADJ - Another adjustable step-down voltage regulator by TI.
2. MC34063 - An adjustable switching regulator.
3. L78S - Offers adjustable output in a step-down configuration.
4. MP1584EN - Compact adjustable buck converter.
5. XL4015 - High-efficiency step-down adjustable regulator.
These alternatives may have differences in specifications like input voltage range and current output, so ensure compatibility with your application.
1. LM2596-ADJ - Another adjustable step-down voltage regulator by TI.
2. MC34063 - An adjustable switching regulator.
3. L78S - Offers adjustable output in a step-down configuration.
4. MP1584EN - Compact adjustable buck converter.
5. XL4015 - High-efficiency step-down adjustable regulator.
These alternatives may have differences in specifications like input voltage range and current output, so ensure compatibility with your application.
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