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MAX1791EUB+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1791EUB+

Manufacturer: MAXIM

High-Efficiency, 10-Pin µMAX, Step-Down Controllers for Notebooks

Partnumber Manufacturer Quantity Availability
MAX1791EUB+,MAX1791EUB MAXIM 22 In Stock

Description and Introduction

High-Efficiency, 10-Pin µMAX, Step-Down Controllers for Notebooks The MAX1791EUB+ is a step-up DC-DC converter manufactured by **MAXIM** (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 2.5V to 5.5V  
- **Output Current:** Up to 150mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX (3mm x 3mm)  

### **Descriptions:**  
The MAX1791EUB+ is a **low-input-voltage, step-up DC-DC converter** optimized for battery-powered applications. It features an internal **0.18Ω N-channel MOSFET switch** for high efficiency and includes **soft-start** to limit inrush current.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **Adjustable Output Voltage** via external resistors  
- **Internal Synchronous Rectifier** for improved efficiency  
- **Pulse-Skipping Mode** for better light-load efficiency  
- **Undervoltage Lockout (UVLO)** protection  
- **Thermal Shutdown** protection  

This device is commonly used in **portable electronics, single-cell battery applications, and energy harvesting systems**.  

Would you like additional details on pin configurations or application circuits?

Application Scenarios & Design Considerations

High-Efficiency, 10-Pin µMAX, Step-Down Controllers for Notebooks

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For immediate assistance, call us at +86 533 2716050 or email [email protected]

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