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MAX1945REUI+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1945REUI+T

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1945REUI+T,MAX1945REUIT MAXIM 2231 In Stock

Description and Introduction

1MHz, 1% Accurate, 6A Internal Switch Step-Down Regulators The MAX1945REUI+T is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-TSSOP (exposed pad)  
- **Features:**  
  - Synchronous rectification  
  - Internal compensation  
  - Soft-start capability  
  - Overcurrent and thermal protection  
  - Low shutdown current (<1µA)  

### **Description:**  
The MAX1945REUI+T is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated low-voltage supply from a higher input voltage. It integrates synchronous rectification to minimize power loss and improve efficiency.  

### **Features:**  
- Wide input voltage range (4.5V to 28V)  
- Adjustable output voltage (0.8V to 5.5V)  
- High efficiency (up to 95%)  
- Fixed 500kHz switching frequency  
- Internal compensation simplifies design  
- Overcurrent and thermal shutdown protection  
- Low shutdown current (<1µA)  
- Available in a 28-pin TSSOP package with exposed pad for thermal dissipation  

This device is suitable for industrial, automotive, and portable electronics applications.

Application Scenarios & Design Considerations

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

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