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MAX1874ETE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1874ETE+

Manufacturer: MAXIM

Dual-Input, USB/AC Adapter, 1-Cell Li+ Charger with OVP and Thermal Regulation

Partnumber Manufacturer Quantity Availability
MAX1874ETE+,MAX1874ETE MAXIM 104 In Stock

Description and Introduction

Dual-Input, USB/AC Adapter, 1-Cell Li+ Charger with OVP and Thermal Regulation The **MAX1874ETE+** is a high-efficiency, step-down DC-DC converter manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 28V  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin TQFN (5mm x 5mm)  

### **Descriptions:**  
- The MAX1874ETE+ is a **synchronous buck (step-down) converter** with integrated power MOSFETs.  
- It features **current-mode control** for stable operation and fast transient response.  
- Designed for **low-power applications**, it includes **soft-start** and **thermal shutdown** protection.  
- Suitable for **battery-powered devices, industrial systems, and telecom equipment**.  

### **Features:**  
- **Integrated Power MOSFETs** (no external FETs required)  
- **Adjustable Output Voltage** via external resistors  
- **Current-Mode Control** for improved stability  
- **Internal Soft-Start** to limit inrush current  
- **Thermal Shutdown Protection**  
- **Low Dropout Operation** (100% duty cycle)  
- **500kHz Fixed Switching Frequency**  

This information is sourced from the manufacturer's datasheet and official product documentation.

Application Scenarios & Design Considerations

Dual-Input, USB/AC Adapter, 1-Cell Li+ Charger with OVP and Thermal Regulation

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