LM2672MX-ADJ/NOPB

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LM2672MX-ADJ/NOPB

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LM2672 SIMPLE SWITCHER 6.5V TO 4

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Attribut Wert
Package / Case Bulk
Series SIMPLE SWITCHER®
Part Status Active
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

Übersicht

Description

The LM2672MX-ADJ/NOPB is a high-efficiency, step-down voltage regulator from Texas Instruments. It is part of the SIMPLE SWITCHER® series, designed to simplify DC-DC converter designs. The device can provide up to 1A of output current and features an adjustable output voltage, typically set via an external resistor network. Operating at a fixed frequency of 260 kHz, the LM2672MX-ADJ/NOPB offers improved efficiency and reduced component size.
Key features include a wide input voltage range from 8V to 40V, thermal shutdown, current limit protection, and a low standby current. The device also supports a soft-start function to minimize inrush current during start-up. It is housed in a thermally enhanced, 8-pin SOIC package, making it suitable for compact and space-constrained applications.
Typical applications include power supplies for industrial equipment, battery-operated devices, and distributed power systems. The LM2672MX-ADJ/NOPB provides a reliable solution for efficiently converting higher input voltages to lower output voltages, with minimal external components required.

Equivalent

The LM2672MX-ADJ/NOPB is a step-down voltage regulator. Equivalent products include:
1. MC34063 - versatile, but less efficient.
2. LM2596 - similar functionality, with a higher current rating.
3. L7805 - fixed output, but suitable for similar applications.
4. XL4015 - similar features, often used for higher power applications.
5. TPS5430 - similar input voltage range and current capabilities.
These alternatives vary slightly in specifications, so ensure compatibility with your specific requirements.

Features

The LM2672MX-ADJ/NOPB is a step-down voltage regulator with notable features:
1. Adjustable Output Voltage: It provides an adjustable output voltage via external resistors, allowing for a range from 1.21V to 37V.
2. High Efficiency: Achieves up to 90% efficiency owing to its efficient design.
3. Input Voltage Range: Operates over a wide input voltage range from 8V to 40V.
4. Output Current: Capable of delivering up to 1A of output current.
5. Switching Frequency: Operates at a fixed frequency of 260 kHz, facilitating smaller external components and an overall compact design.
6. Low Output Ripple: Integrates features to minimize voltage output ripple.
7. Thermal Shutdown: Includes a thermal shutdown feature to protect the device from overheating.
8. Internal Current Limit: Offers internal current limiting for added protection under overload conditions.
9. Soft Start Capability: Allows for a controlled ramp-up of output voltage to prevent inrush current issues.
These features make it suitable for various applications, including power management in portable devices, automotive, and distributed power systems.

Pinout

The LM2672MX-ADJ/NOPB is a step-down voltage regulator with an adjustable output. It is designed to provide a high-efficiency solution for power supply designs. The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Here is a brief overview of the pin functions:
1. Pin 1 (BOOST): This pin is used to increase the gate drive voltage to the internal MOSFET switch, helping to improve efficiency.

2. Pin 2 (VIN): The input voltage pin, where the supply voltage (up to 40V) is applied.
3. Pin 3 (SW): The switch output pin, which connects to the inductor and provides the pulsed output.
4. Pin 4 (GND): Ground pin for the power and control circuitry.
5. Pin 5 (FB): Feedback pin used to set the output voltage with an external resistor divider.
6. Pin 6 (ON/OFF): This pin controls the on/off operation of the regulator, allowing for shutdown of the device.
7. Pin 7 (NC): No connection; typically not internally connected.
8. Pin 8 (NC): No connection; typically not internally connected.
The LM2672MX-ADJ/NOPB is widely used in applications where a regulated output voltage is required from a higher input voltage supply.

Manufacturer

The LM2672MX-ADJ/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a range of electronic components and integrated circuits. It is known for its innovation in analog and embedded processing products, which are used in various applications including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI focuses on developing technologies that make electronics more affordable and efficient, providing solutions that improve performance and energy efficiency in consumer and industrial products.

Application

The LM2672MX-ADJ/NOPB is a versatile step-down voltage regulator ideal for various applications. Its primary use is in power management systems where efficient conversion from higher to lower voltages is needed. Typical application areas include:
1. Embedded Systems: Provides stable voltage supply to microcontrollers and peripheral devices.
2. Consumer Electronics: Powers components in devices like digital cameras and portable media players.
3. Industrial Automation: Used in control systems requiring robust and efficient power solutions.
4. Telecommunications: Ensures reliable voltage supply for routers, modems, and other communication devices.
5. Automotive: Supports electronic systems within vehicles, such as infotainment and control modules.
Its adjustable output and high efficiency make it suitable for diverse power supply designs.

Package

The LM2672MX-ADJ/NOPB is a step-down voltage regulator available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is compact and designed for surface mounting on printed circuit boards (PCBs).

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