MP24943DN-LF-Z

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MP24943DN-LF-Z

+Nomenclature

IC REG BUCK ADJUSTABLE 3A 8SOIC

  • FabricantMonolithique Power Systems GmbH.

  • Pièce fabricant #MP24943DN-LF-Z

  • Package SOIC-8

  • En stock3486

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 55V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 45V
Current - Output 3A
Frequency - Switching 100kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Présentation

Description

The MP24943DN-LF-Z is a DC-DC step-down converter designed for efficient power management in electronic devices. It operates with an input voltage range typically from 4.5V to 36V, making it versatile for various applications such as automotive, industrial, and telecommunications systems. The converter delivers a stable output current of up to 3A, making it suitable for powering microcontrollers, sensors, and other low-voltage devices.
Key features include high efficiency, typically above 90%, a low dropout voltage, and an adjustable output voltage using external resistors. The MP24943DN-LF-Z also incorporates over-current, over-temperature, and short-circuit protection, ensuring reliability and safety in operation. Its high switching frequency allows for the use of smaller external components, reducing the overall size of the power supply design.
The package for this model is a compact, thermally efficient design, which aids in heat dissipation. This converter is ideal for designers looking for a robust, efficient, and flexible power solution in compact electronic systems.

Equivalent

The MP24943DN-LF-Z is a DC-DC buck converter. Equivalent products include:
1. LM2596 by Texas Instruments: A step-down voltage regulator.
2. AP1509 by Diodes Incorporated: A 150 KHz PWM buck DC/DC converter.
3. L7805 by STMicroelectronics: A fixed-output voltage regulator.
4. LM2675 by Texas Instruments: A simple switcher step-down voltage regulator.
Ensure these alternatives meet the specific voltage and current requirements of your application. Always verify the specifications and pin configurations to ensure compatibility.

Features

The MP24943DN-LF-Z is a high-efficiency, step-down regulator designed for specific electronic applications. Key features include:
1. Wide Input Voltage Range: It operates effectively with input voltages from 4.5V to 36V, making it versatile for various power supply sources.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. High Efficiency: It boasts high efficiency, reaching up to 95%, which helps in reducing heat generation and improving power management.
4. Adjustable Output Voltage: The output voltage is adjustable to suit different application needs.
5. Integrated Power MOSFETs: Features integrated high-side and low-side MOSFETs for optimized performance and reduced component count.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to ensure reliability and safety.
7. Thermal Performance: Designed for efficient thermal management to support high-density circuitry.
8. Compact Package: Available in a compact 8-pin SOIC package, suitable for space-constrained applications.
These features make the MP24943DN-LF-Z an ideal choice for applications requiring efficient voltage regulation with robust protection features.

Pinout

The MP24943DN-LF-Z is a step-down, or buck, converter designed for power management applications. It typically comes in an SOIC-8 package, which means it has 8 pins. Here's a brief overview of the function of each pin:
1. SW (Switching Node): Connects to the inductor and is the switching output of the converter.
2. IN (Input Voltage): Supplies the input voltage for the converter.
3. GND (Ground): Common ground for the device.
4. EN (Enable): Used to enable or disable the device; pulling this pin high turns the converter on.
5. FB (Feedback): Senses the output voltage to maintain regulation; connects to a resistive divider from the output.
6. COMP (Compensation): Allows for compensation of the control loop to optimize performance.
7. BST (Bootstrap): Provides the bootstrap voltage for the high-side gate driver.
8. SS (Soft Start): Controls the soft-start period to mitigate inrush current at startup.
These pins collectively enable the MP24943DN-LF-Z to efficiently convert a higher input voltage to a regulated lower output voltage suitable for powering various electronic components.

Manufacturer

The MP24943DN-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in the design and production of high-performance power solutions. They focus on providing innovative power management products for a variety of applications including industrial, telecom, computing, automotive, and consumer electronics. MPS is recognized for its advanced analog and mixed-signal semiconductor solutions.

Application

The MP24943DN-LF-Z is a high-frequency, synchronous step-down switching regulator IC. Its primary application areas include power management solutions for a variety of devices. It is commonly used in applications such as telecommunications equipment, distributed power systems, and consumer electronics. The IC is well-suited for powering microprocessors, DSPs, FPGAs, and other digital circuits due to its efficiency and compact size. Additionally, it's often utilized in industrial and automotive applications where efficient voltage regulation is critical. Its wide input voltage range and high efficiency make it suitable for battery-powered devices as well.

Package

The MP24943DN-LF-Z is typically available in a SOIC-8 package type.

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