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MAX1758EAI+ from MAX,MAXIM - Dallas Semiconductor

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MAX1758EAI+

Manufacturer: MAX

Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 28V Switch

Partnumber Manufacturer Quantity Availability
MAX1758EAI+,MAX1758EAI MAX 60 In Stock

Description and Introduction

Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 28V Switch The MAX1758EAI+ 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 28V  
- **Output Voltage Range:** Adjustable from 0.8V to 90% of VIN  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP  

### **Descriptions:**  
The MAX1758EAI+ is a synchronous buck (step-down) DC-DC converter designed for high-efficiency power conversion. It integrates high-side and low-side MOSFETs, reducing external component count. The device operates over a wide input voltage range, making it suitable for industrial, telecom, and automotive applications.  

### **Features:**  
- **Integrated Power MOSFETs:** Reduces external components.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **PWM/PFM Mode Operation:** Improves efficiency at light loads.  
- **Soft-Start Function:** Prevents inrush current.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 28V Switch

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