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MAX5041AEAI from MAXIM,MAXIM - Dallas Semiconductor

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MAX5041AEAI

Manufacturer: MAXIM

Dual-Phase / Parallelable / Average-Current-Mode Controllers

Partnumber Manufacturer Quantity Availability
MAX5041AEAI MAXIM 55 In Stock

Description and Introduction

Dual-Phase / Parallelable / Average-Current-Mode Controllers The MAX5041AEAI is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to 3.6V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP (Shrink Small Outline Package)  
- **Control Method:** Voltage-mode PWM (Pulse-Width Modulation)  

### **Descriptions:**
The MAX5041AEAI is a synchronous buck converter designed for high-performance power supply applications. It integrates high-side and low-side MOSFETs, reducing external component count and simplifying design. The device provides precise output voltage regulation with excellent load and line transient response.

### **Features:**
- **Integrated Power MOSFETs:** Reduces external components and board space.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Overcurrent Protection:** Prevents damage during fault conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Soft-Start:** Minimizes inrush current during startup.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  

This device is commonly used in point-of-load (POL) regulation, networking equipment, and industrial applications requiring high efficiency and compact power solutions.

Application Scenarios & Design Considerations

Dual-Phase / Parallelable / Average-Current-Mode Controllers

Alternative Part Number

  • LTC3728LEUH --: Dual-phase synchronous step-down controller with comparable input range and current-mode architecture; pin-compatible in many designs and widely available.
  • ISL6566CRZ --: Multi-phase PWM controller offering similar voltage-mode regulation and protection features; suitable drop-in for many MAX5041 applications.
  • TPS40057PWPR --: Wide-input synchronous buck controller with programmable frequency and soft-start, functionally similar and easy to source.
  • TPS40170RGYR --: Wide-input synchronous buck controller with integrated drivers and programmable frequency, providing comparable regulation performance for the same application class.

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