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MAX1922ESA+C71073 from MAXIM,MAXIM - Dallas Semiconductor

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MAX1922ESA+C71073

Manufacturer: MAXIM

1A Current-Limited Switch for 2 USB Ports

Partnumber Manufacturer Quantity Availability
MAX1922ESA+C71073 MAXIM 1000 In Stock

Description and Introduction

1A Current-Limited Switch for 2 USB Ports The MAX1922ESA+C71073 is a step-down (buck) DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**
- The MAX1922ESA+C71073 is a synchronous step-down DC-DC converter optimized for high efficiency and compact designs.  
- It integrates both high-side and low-side MOSFETs, reducing external component count.  
- Suitable for battery-powered applications, portable devices, and embedded systems.  

### **Features:**
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Pulse-Width Modulation (PWM) Operation:** Ensures stable performance under varying loads.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage approaches the output voltage.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device from damage.  
- **Small Footprint:** Ideal for space-constrained applications.  

For exact datasheet details, refer to the official documentation from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

1A Current-Limited Switch for 2 USB Ports

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