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MAX1856EUB from MAXIM,MAXIM - Dallas Semiconductor

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MAX1856EUB

Manufacturer: MAXIM

Wide Input Range / Synchronizable / PWM SLIC Power Supply

Partnumber Manufacturer Quantity Availability
MAX1856EUB MAXIM 1640 In Stock

Description and Introduction

Wide Input Range / Synchronizable / PWM SLIC Power Supply The MAX1856EUB is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1856EUB  
- **Package:** 10-pin µMAX (UB)  
- **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 (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1856EUB is a high-efficiency, step-down DC-DC converter designed for low-voltage applications. It integrates synchronous rectification to minimize external components and improve efficiency. The device operates at a fixed 1MHz switching frequency, allowing for compact designs with small inductors and capacitors.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency and reduces external diode requirements.  
- **Low Dropout Operation:** Allows output voltage close to input voltage.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures stable operation under varying loads.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Low Quiescent Current:** 30µA (typical) in shutdown mode.  
- **Short-Circuit Protection:** Includes thermal shutdown and current limiting.  
- **Adjustable Output Voltage:** Set via external resistors.  

This information is sourced from Maxim Integrated's official datasheet for the MAX1856EUB.

Application Scenarios & Design Considerations

Wide Input Range / Synchronizable / PWM SLIC Power Supply

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