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MAX1854EEG from MAXIM,MAXIM - Dallas Semiconductor

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MAX1854EEG

Manufacturer: MAXIM

High-Speed / Adjustable / Synchronous Step-Down Controllers with Integrated Voltage Positioning

Partnumber Manufacturer Quantity Availability
MAX1854EEG MAXIM 3928 In Stock

Description and Introduction

High-Speed / Adjustable / Synchronous Step-Down Controllers with Integrated Voltage Positioning The MAX1854EEG 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:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin QSOP  

### **Descriptions:**  
The MAX1854EEG is a synchronous step-down DC-DC converter optimized for high efficiency and compact designs. It integrates both high-side and low-side MOSFETs, reducing external component count. The device is ideal for battery-powered applications, providing stable output voltage with minimal power loss.

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power dissipation.  
- **Pulse-Width Modulation (PWM) Operation:** Ensures stable performance under varying loads.  
- **Low Quiescent Current:** 30µA (typical) in shutdown mode.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Adjustable Output Voltage:** Set via external resistors.  

This information is strictly based on the manufacturer's datasheet for the MAX1854EEG.

Application Scenarios & Design Considerations

High-Speed / Adjustable / Synchronous Step-Down Controllers with Integrated Voltage Positioning

Alternative Part Number

  • LT1370CT7 --: High-current step-down switching regulator in the same class; comparable input voltage range and current capability, widely available and well documented.
  • TPS5430DDA --: 3A step-down converter with similar input range and switching frequency; pin-compatible style SOIC package and easy drop-in for many MAX1854 designs.
  • MC34063AP --: Versatile general-purpose DC-DC converter IC covering similar voltage/current needs; very common, low cost, and usable as a functional substitute with minor external component changes.

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