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MAX8576EUB from MAXIN,MAXIM - Dallas Semiconductor

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MAX8576EUB

Manufacturer: MAXIN

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers

Partnumber Manufacturer Quantity Availability
MAX8576EUB MAXIN 249 In Stock

Description and Introduction

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers The MAX8576EUB is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.8V to 5.5V  
- **Output Current:** Up to 600mA (depending on input/output conditions)  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 10-pin µMAX (3mm x 5mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX8576EUB is a high-efficiency, low-noise, step-up DC-DC converter designed for battery-powered applications. It features a synchronous rectifier to improve efficiency and includes an internal soft-start to reduce inrush current.  

### **Features:**  
- **True Shutdown Mode:** Disconnects the load from the input when disabled.  
- **Synchronous Rectification:** Improves efficiency and eliminates the need for an external Schottky diode.  
- **Low Quiescent Current:** 25µA (typical) in shutdown mode.  
- **Internal Soft-Start:** Limits inrush current during startup.  
- **Fixed-Frequency PWM Operation:** Reduces noise and simplifies filtering.  
- **Overcurrent Protection:** Safeguards the device and load.  

This device is commonly used in portable electronics, such as smartphones, PDAs, and other battery-operated systems requiring efficient power conversion.

Application Scenarios & Design Considerations

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers

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