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MAX1846EUB+ from MAX,MAXIM - Dallas Semiconductor

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MAX1846EUB+

Manufacturer: MAX

High-Efficiency, Current-Mode, Inverting PWM Controller

Partnumber Manufacturer Quantity Availability
MAX1846EUB+,MAX1846EUB MAX 1602 In Stock

Description and Introduction

High-Efficiency, Current-Mode, Inverting PWM Controller The MAX1846EUB+ 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:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX (3mm x 5mm)  

### **Descriptions:**  
The MAX1846EUB+ is a high-efficiency, synchronous step-down DC-DC converter optimized for low-voltage, battery-powered applications. It integrates synchronous rectification to minimize power loss and features a fixed-frequency PWM operation for stable performance.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power dissipation.  
- **Low Dropout Operation:** Allows the output to remain in regulation even when the input voltage approaches the output voltage.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures stable operation under varying load conditions.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device and load.  
- **Low Quiescent Current:** Typically 40µA in shutdown mode, extending battery life.  

This device is commonly used in portable electronics, handheld devices, and battery-powered applications requiring efficient power conversion.

Application Scenarios & Design Considerations

High-Efficiency, Current-Mode, Inverting PWM Controller

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