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MAX1931EUB+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1931EUB+

Manufacturer: MAXIM

Current-Limited Switch for Single USB Port

Partnumber Manufacturer Quantity Availability
MAX1931EUB+,MAX1931EUB MAXIM 16 In Stock

Description and Introduction

Current-Limited Switch for Single USB Port The MAX1931EUB+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V (fixed or programmable)  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX (3mm x 5mm)  

### **Descriptions:**  
The MAX1931EUB+ is a synchronous step-down DC-DC converter designed for high efficiency and low power dissipation. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates in pulse-width modulation (PWM) mode for optimal efficiency across load conditions.  

### **Features:**  
- **Integrated Synchronous Rectifier:** Improves efficiency by eliminating the need for an external Schottky diode.  
- **Adjustable/Fixed Output Voltage:** Supports both fixed and adjustable output configurations.  
- **Low Quiescent Current:** 40µA (typical) in shutdown mode.  
- **Overcurrent and Thermal Protection:** Built-in safeguards for reliable operation.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Small Footprint:** 10-pin µMAX package for space-constrained applications.  

This information is strictly based on the manufacturer's datasheet and does not include recommendations or usage guidance.

Application Scenarios & Design Considerations

Current-Limited Switch for Single USB Port
Partnumber Manufacturer Quantity Availability
MAX1931EUB+,MAX1931EUB MAX 20 In Stock

Description and Introduction

Current-Limited Switch for Single USB Port The MAX1931EUB+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:  

### **Manufacturer:** Maxim Integrated  
### **Part Number:** MAX1931EUB+  

### **Description:**  
The MAX1931EUB+ is a synchronous step-down DC-DC converter designed for high-efficiency power conversion. It operates over a wide input voltage range and delivers a regulated output voltage with high efficiency, making it suitable for portable and battery-powered applications.  

### **Key Features:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **High Efficiency:** Up to 95%  
- **Switching Frequency:** 1MHz (fixed)  
- **Synchronous Rectification:** Improves efficiency  
- **Low Quiescent Current:** 40µA (typical)  
- **PWM/PFM Mode Operation:** Optimizes efficiency at light loads  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Undervoltage Lockout (UVLO):** Ensures proper startup  
- **Package:** 10-pin µMAX® (3mm x 5mm)  

### **Applications:**  
- Portable devices  
- Battery-powered equipment  
- Point-of-load regulation  
- Handheld instruments  

This information is sourced from the manufacturer's datasheet. For detailed specifications, refer to Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

Current-Limited Switch for Single USB Port

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