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MP1593DN from MPS

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MP1593DN

Manufacturer: MPS, MP

3A, 28V, 385KHz Step-Down Converter

Partnumber Manufacturer Quantity Availability
MP1593DN MPS, MP 1032 In Stock

Description and Introduction

3A, 28V, 385KHz Step-Down Converter The **MP1593DN** is a high-efficiency, step-down (buck) DC-DC converter designed for a wide range of power supply applications. This compact and versatile integrated circuit (IC) is capable of delivering an adjustable output voltage with a maximum output current of up to 3A, making it suitable for embedded systems, industrial controls, and consumer electronics.  

Operating within an input voltage range of **4.5V to 28V**, the MP1593DN efficiently steps down higher voltages to lower, stable levels with minimal power loss. Its high switching frequency of up to **1.5MHz** allows for the use of smaller external components, reducing overall board space while maintaining excellent transient response.  

Key features of the MP1593DN include **integrated power MOSFETs**, **thermal shutdown protection**, and **overcurrent protection**, ensuring reliable operation under varying load conditions. Additionally, its **adjustable soft-start** function minimizes inrush current during startup, enhancing system stability.  

The IC employs **PWM (Pulse Width Modulation) control**, optimizing efficiency across different load ranges. Its compact **SOIC-8 package** makes it easy to integrate into space-constrained designs while providing robust thermal performance.  

Engineers favor the MP1593DN for its **high efficiency, compact footprint, and robust protection features**, making it a dependable choice for power management in demanding applications. Whether used in battery-powered devices or industrial automation, this converter offers a balance of performance and reliability.

Application Scenarios & Design Considerations

3A, 28V, 385KHz Step-Down Converter

Alternative Part Number

  • LM2596S-ADJ --: Widely available 3A step-down regulator in SOIC-8 with adjustable output, functionally similar to the MP1593 and easy to source as a drop-in style replacement.
  • TPS5430DDA --: 3A, 5.5-36V input step-down converter in SOIC-8 PowerPAD, comparable current rating and switching regulator function to the MP1593DN.
  • AP1501-ADJ --: 3A adjustable buck converter in TO-263/SOIC package, a common low-cost alternative for MP1593-class step-down applications.
  • TPS54331D --: 3A, 28V step-down converter in SOIC package with integrated switch, offering comparable performance and easy replacement for MP1593DN applications.
  • AP3503 --: 3A synchronous buck converter with wide input range and similar pinout, suitable as a cost-effective alternative for the MP1593DN regulator.

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