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MAX1549ETL+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1549ETL+T

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1549ETL+T MAXIM, MAX 816 In Stock

Description and Introduction

Dual, Interleaved, Fixed-Frequency Step-Down Controller with a Dynamically Adjustable Output The MAX1549ETL+T is a power management IC (PMIC) manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** MAXIM Integrated (Analog Devices)  
- **Part Number:** MAX1549ETL+T  
- **Package:** 40-TQFN (6x6 mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable  
- **Number of Outputs:** 2 (Buck Regulators)  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Current Limit:** Programmable  

### **Descriptions:**  
The MAX1549ETL+T is a **dual-output, step-down (buck) DC-DC controller** designed for high-efficiency power conversion in applications such as networking, telecom, and industrial systems. It supports synchronous rectification and provides flexible output voltage programming.  

### **Features:**  
- **Dual-Output Buck Controllers:** Independently adjustable outputs.  
- **Wide Input Voltage Range:** 4.5V to 28V.  
- **Adjustable Switching Frequency:** 300kHz to 1MHz for optimization of efficiency and component size.  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Current-Mode Control:** Ensures fast transient response.  
- **Power-Good Indicators:** Monitors output status.  
- **Thermal Shutdown Protection:** Prevents overheating.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ISL6262CRZ --: Two-phase PWM buck controller with integrated drivers, similar function and pin-compatible architecture for CPU/core voltage regulation.
  • TPS51511RSA --: Single-phase synchronous buck controller with integrated MOSFET drivers, suitable replacement for point-of-load regulation in similar applications.
  • NCP5386MNR2G --: Multi-phase buck controller with integrated gate drivers, comparable feature set for CPU power delivery designs.

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