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MAX797ESE/T from MAX,MAXIM - Dallas Semiconductor

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MAX797ESE/T

Manufacturer: MAX

Step-Down Controllers with Synchronous Rectifier for CPU Power

Partnumber Manufacturer Quantity Availability
MAX797ESE/T,MAX797ESET MAX 820 In Stock

Description and Introduction

Step-Down Controllers with Synchronous Rectifier for CPU Power The MAX797ESE/T is a step-down controller manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable down to 1.25V  
- **Switching Frequency:** 200kHz to 300kHz (adjustable)  
- **Maximum Output Current:** Up to 20A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin narrow SOIC (ESE)  

### **Descriptions:**
The MAX797ESE/T is a high-efficiency, step-down (buck) DC-DC controller designed for high-current applications. It provides precise output voltage regulation and supports synchronous rectification for improved efficiency. The device is commonly used in power supplies for telecom, networking, and industrial systems.

### **Features:**
- **Adjustable Output Voltage** (via external resistors)  
- **Synchronous Rectification** for high efficiency  
- **Programmable Soft-Start** to limit inrush current  
- **Current-Mode Control** for fast transient response  
- **Overcurrent Protection** (with hiccup mode)  
- **Thermal Shutdown** protection  
- **Adjustable Switching Frequency** (200kHz–300kHz)  

For detailed application notes and schematics, refer to the official datasheet from Analog Devices (formerly Maxim Integrated).

Application Scenarios & Design Considerations

Step-Down Controllers with Synchronous Rectifier for CPU Power

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