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MAX1838EEE from MAX,MAXIM - Dallas Semiconductor

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MAX1838EEE

Manufacturer: MAX

Dual USB Switch with Fault Blanking and Autoreset

Partnumber Manufacturer Quantity Availability
MAX1838EEE MAX 2000 In Stock

Description and Introduction

Dual USB Switch with Fault Blanking and Autoreset The MAX1838EEE is a step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 26V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP  

### **Descriptions:**  
The MAX1838EEE is a high-efficiency, step-down DC-DC converter designed for applications requiring high current and wide input voltage ranges. It integrates a synchronous rectifier to minimize power loss and improve efficiency.  

### **Features:**  
- **Synchronous Rectification:** Reduces power dissipation.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Internal Soft-Start:** Prevents inrush current.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  
- **Wide Input Voltage Range:** Suitable for various power sources.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual USB Switch with Fault Blanking and Autoreset
Partnumber Manufacturer Quantity Availability
MAX1838EEE MAXIM 2000 In Stock

Description and Introduction

Dual USB Switch with Fault Blanking and Autoreset The MAX1838EEE 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:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1.2A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (Quad Flat Small Outline Package)  

### **Descriptions:**  
The MAX1838EEE is a synchronous step-down DC-DC converter designed for high-efficiency power conversion in portable and battery-powered applications. It integrates both high-side and low-side MOSFETs, reducing external component count.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **PWM/PFM Mode Operation:** Automatically switches between modes for optimal efficiency at light and heavy loads.  
- **Low Dropout Operation:** Allows 100% duty cycle for extended battery life.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device under fault conditions.  
- **Small Footprint:** Suitable for space-constrained applications.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual USB Switch with Fault Blanking and Autoreset

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