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MAX1842EEE from MAXIM,MAXIM - Dallas Semiconductor

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MAX1842EEE

Manufacturer: MAXIM

1A/2.7A / 1MHz / Step-Down Regulators with Synchronous Rectification and Internal Switches

Partnumber Manufacturer Quantity Availability
MAX1842EEE MAXIM 2425 In Stock

Description and Introduction

1A/2.7A / 1MHz / Step-Down Regulators with Synchronous Rectification and Internal Switches The MAX1842EEE is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on the available knowledge base:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (Quad Flat Small Outline Package)  

### **Descriptions:**  
The MAX1842EEE is a synchronous step-down DC-DC converter designed for high-efficiency power conversion in portable and battery-powered applications. It integrates synchronous rectification to minimize power loss and improve efficiency. The device operates at a fixed 500kHz switching frequency, allowing for small external components and compact PCB designs.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Dropout Operation:** Allows the output to remain in regulation even when the input voltage approaches the output voltage.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device and load.  
- **Low Quiescent Current:** Improves battery life in portable applications.  
- **Synchronous Operation:** Eliminates the need for an external Schottky diode.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

1A/2.7A / 1MHz / Step-Down Regulators with Synchronous Rectification and Internal Switches

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