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MAX1549ETL from MAXIM,MAXIM - Dallas Semiconductor

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MAX1549ETL

Manufacturer: MAXIM

Dual, Interleaved, Fixed-Frequency Step-Down Controller with a Dynamically Adjustable Output

Partnumber Manufacturer Quantity Availability
MAX1549ETL MAXIM 7 In Stock

Description and Introduction

Dual, Interleaved, Fixed-Frequency Step-Down Controller with a Dynamically Adjustable Output The MAX1549ETL is a step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 40-Pin TQFN (6mm x 6mm)  

### **Descriptions:**  
The MAX1549ETL is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high output current and wide input voltage range. It integrates power MOSFETs and supports adjustable output voltage with external resistor dividers. The device features a current-mode control architecture for fast transient response and stable operation.  

### **Features:**  
- **Integrated Power MOSFETs** (eliminates need for external FETs)  
- **Adjustable Switching Frequency** (300kHz to 1MHz)  
- **Programmable Soft-Start**  
- **Overcurrent and Overtemperature Protection**  
- **Power-Good Output Monitor**  
- **Low-Dropout (LDO) Mode** for improved efficiency at low input-output differentials  
- **Synchronizable to External Clock**  

This information is strictly based on the manufacturer's datasheet for the MAX1549ETL.

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