MP1593DN-LF-Z

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IC REG BUCK ADJUSTABLE 3A 8SOIC

  • FabricanteMonolithic Power Systems Inc.

  • Peça do Fabricante #MP1593DN-LF-Z

  • Pacote SOIC-8

  • Em Estoque2986

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Especificações

Atributo Valor
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) 4.75V
Voltage - Input (Max) 28V
Voltage - Output (Min/Fixed) 1.22V
Voltage - Output (Max) 25.2V
Current - Output 3A
Frequency - Switching 385kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Visão Geral

Description

The MP1593DN-LF-Z is a step-down DC-DC converter designed for applications requiring efficient power management. It features a wide input voltage range and delivers a constant output voltage, making it suitable for various electronic devices and systems. The converter is equipped with a high switching frequency, typically operating at 500kHz, which allows for the use of smaller external components, thus reducing overall design size and cost.
Key features include high efficiency, internal soft-start, stability with minimal external components, and protection circuits like over-current and thermal shutdown. The device is packaged in a compact, thermally enhanced package, which is beneficial for space-constrained applications. Its reliability and performance make it ideal for use in computing, telecommunication, and consumer electronics where efficient power conversion is critical.
The MP1593DN-LF-Z facilitates the design of compact and efficient power supply solutions, offering versatility and robustness to designers and engineers dealing with diverse power needs.

Equivalent

The MP1593DN-LF-Z is a high-frequency buck converter from Monolithic Power Systems. Equivalent products are similar step-down converters, such as:
1. Texas Instruments: LM22679 series
2. Analog Devices (formerly Linear Technology): LT8640 series
3. Microchip: MIC28512 series
4. Infineon: TLF50211EL series
When choosing an equivalent, ensure they match key specifications like input voltage, output current, switching frequency, and package type. Always refer to datasheets for compatibility.

Features

The MP1593DN-LF-Z is a step-down switching regulator designed for efficient voltage conversion. Key features include:
1. High Efficiency: Capable of delivering high efficiency across a range of loads, which is beneficial for power-sensitive applications.
2. Wide Input Voltage Range: Supports a broad input voltage range, making it versatile for different power supply sources.
3. Adjustable Output Voltage: Allows users to set the desired output voltage through external resistors, providing flexibility for various applications.
4. High Switching Frequency: Operates at a high switching frequency, which reduces the size of external components and allows for more compact designs.
5. Integrated Power MOSFETs: Comes with built-in power MOSFETs, simplifying design and reducing the number of external components needed.
6. Protection Features: Includes protections such as over-current protection (OCP), over-temperature protection (OTP), and under-voltage lockout (UVLO) to enhance reliability and safety.
7. Thermal Management: Efficient thermal management extends the device's operational lifespan even under high load conditions.
These features make the MP1593DN-LF-Z suitable for various applications requiring compact, reliable, and efficient power conversion solutions.

Pinout

The MP1593DN-LF-Z is a step-down (buck) converter integrated circuit. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of its pin functions:
1. SW (Switch Node): Connects to the inductor and carries the switched voltage.
2. GND (Ground): Common ground for the circuit.
3. FB (Feedback): Receives the feedback voltage from the output to regulate the output voltage.
4. COMP (Compensation): Used to stabilize the control loop.
5. EN (Enable): Enables or disables the converter operation.
6. IN (Input Voltage): Power input pin for supplying the IC.
7. BST (Boost): Supplies a boost voltage for driving the high-side switch.
8. SS (Soft Start): Controls the soft-start period to limit inrush current.
This configuration allows the MP1593DN-LF-Z to efficiently convert a higher voltage input to a lower voltage output with high efficiency and minimal external components.

Manufacturer

The MP1593DN-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company specializing in high-performance, integrated power solutions. Founded in 1997 and headquartered in Kirkland, Washington, MPS focuses on designing, developing, and marketing a wide range of power management products. These products are used in a variety of applications, including consumer electronics, industrial equipment, automotive systems, and telecommunications. MPS is known for its expertise in analog and mixed-signal integrated circuits, which help improve the efficiency and performance of electronic devices.

Application

The MP1593DN-LF-Z is a high-frequency, step-down switching regulator ideal for applications requiring efficient power conversion. Its primary application areas include telecommunications, networking equipment, and computing systems such as servers and workstations. It is also suitable for use in industrial equipment and consumer electronics, where compact, high-performance DC-DC conversion is necessary. The regulator’s ability to deliver a stable output makes it useful in battery-powered devices and portable equipment, contributing to energy efficiency and extended battery life.

Package

The MP1593DN-LF-Z is typically available in a 10-pin MSOP (Mini Small Outline Package) with an exposed pad. This type of package is designed for efficient thermal performance and is compact, making it suitable for space-constrained applications.

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