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MAX1874ETE+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1874ETE+T

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1874ETE+T MAXIM 1118 In Stock

Description and Introduction

Dual-Input, USB/AC Adapter, 1-Cell Li+ Charger with OVP and Thermal Regulation The MAX1874ETE+T is a step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 20V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin TQFN (5mm x 5mm)  

### **Descriptions:**  
The MAX1874ETE+T is a synchronous step-down DC-DC converter designed for high efficiency and compact power supply solutions. It integrates power MOSFETs and features a fixed-frequency PWM control scheme for stable operation. The device is suitable for applications requiring high efficiency and low noise, such as industrial, automotive, and portable electronics.  

### **Features:**  
- **Integrated Synchronous Rectifier:** Improves efficiency by eliminating the need for an external Schottky diode.  
- **Low Dropout Operation:** Allows the output to remain regulated even when the input voltage is close to the output voltage.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Ensures safe operation under fault conditions.  
- **Low Quiescent Current:** Enhances efficiency at light loads.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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