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MAX1908ETI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1908ETI+

Manufacturer: MAXIM

Low-Cost Multichemistry Battery Chargers

Partnumber Manufacturer Quantity Availability
MAX1908ETI+,MAX1908ETI MAXIM 2153 In Stock

Description and Introduction

Low-Cost Multichemistry Battery Chargers The MAX1908ETI+ is a step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin TQFN (Thin Quad Flat No-Lead)  
- **Control Method:** Current-mode PWM  

### **Descriptions:**  
The MAX1908ETI+ is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high output current with precise voltage regulation. It integrates low-side and high-side MOSFETs, reducing external component count.  

### **Features:**  
- **Integrated Power MOSFETs** (reduces external components)  
- **Adjustable Output Voltage** (via external resistors)  
- **Programmable Soft-Start** (prevents inrush current)  
- **Overcurrent and Overtemperature Protection**  
- **Synchronous Rectification** (improves efficiency)  
- **Low Dropout Operation** (extends battery life)  
- **Adjustable Switching Frequency** (300kHz default)  

This device is commonly used in **point-of-load (POL) regulation, networking equipment, and industrial applications**.  

(Source: MAXIM Integrated datasheet)

Application Scenarios & Design Considerations

Low-Cost Multichemistry Battery Chargers

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