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MAX1945REUI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1945REUI+

Manufacturer: MAXIM

1MHz, 1% Accurate, 6A Internal Switch Step-Down Regulators

Partnumber Manufacturer Quantity Availability
MAX1945REUI+ MAXIM 50 In Stock

Description and Introduction

1MHz, 1% Accurate, 6A Internal Switch Step-Down Regulators The MAX1945REUI+ is a power management IC manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1945REUI+  
- **Package:** 28-TSSOP (Thin Shrink Small Outline Package)  
- **Mounting Type:** Surface Mount  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Type:** Adjustable  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Maximum Output Current:** 4A  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  

### **Descriptions:**  
The MAX1945REUI+ is a high-efficiency, step-down DC-DC converter designed for applications requiring high output current with precise voltage regulation. It integrates synchronous rectification to minimize power loss and improve efficiency. The adjustable switching frequency allows optimization for efficiency or component size.  

### **Features:**  
- **High-Efficiency Synchronous Buck Converter**  
- **Wide Input Voltage Range (4.5V to 28V)**  
- **Adjustable Output Voltage (0.8V to 5.5V)**  
- **4A Continuous Output Current**  
- **Programmable Switching Frequency (300kHz to 1MHz)**  
- **Internal Soft-Start for Controlled Startup**  
- **Overcurrent and Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Low Dropout Operation**  
- **Compact 28-TSSOP Package**  

This IC is commonly used in industrial, automotive, and telecom applications requiring high-performance power conversion.

Application Scenarios & Design Considerations

1MHz, 1% Accurate, 6A Internal Switch Step-Down Regulators

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For immediate assistance, call us at +86 533 2716050 or email [email protected]

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