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MAX798

High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power

Partnumber Manufacturer Quantity Availability
MAX798 150 In Stock

Description and Introduction

High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power The MAX798 is a step-down (buck) DC-DC converter IC manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features based on the available knowledge:

### **Descriptions:**  
- The MAX798 is a high-efficiency, step-down DC-DC converter designed for applications requiring high output current.  
- It operates with an input voltage range of **4.5V to 30V** and provides a regulated output voltage.  
- The device integrates a **PWM controller** and a **high-side MOSFET driver**, requiring an external N-channel MOSFET for power switching.  
- It supports **adjustable output voltage** via external resistor dividers.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage:** Adjustable (set by external resistors)  
- **Switching Frequency:** 100kHz to 500kHz (adjustable)  
- **Efficiency:** Up to **95%** (depending on load and external components)  
- **Current Limit Protection:** Adjustable via external sense resistor  
- **Soft-Start Function:** Reduces inrush current during startup  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** 16-pin SOIC, 16-pin QSOP  

### **Applications:**  
- Industrial power supplies  
- Telecom/datacom systems  
- Distributed power systems  
- Battery-powered equipment  

The MAX798 is optimized for high-performance power conversion with robust protection features. For exact electrical characteristics, refer to the official datasheet from Analog Devices (formerly Maxim Integrated).

Application Scenarios & Design Considerations

High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power
Partnumber Manufacturer Quantity Availability
MAX798 MAXIM 45 In Stock

Description and Introduction

High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power The MAX798 is a step-down (buck) DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 28V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin SOIC  

### **Descriptions:**  
The MAX798 is a high-efficiency, step-down DC-DC converter designed for applications requiring high output current with a wide input voltage range. It integrates a power MOSFET and control circuitry to minimize external component count. The device supports both fixed and adjustable output voltage configurations.  

### **Features:**  
- **Wide Input Voltage Range (4V to 30V)**  
- **High Output Current (5A)**  
- **Adjustable or Fixed Output Voltage**  
- **Internal Power MOSFET**  
- **300kHz Switching Frequency**  
- **High Efficiency (Up to 95%)**  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  
- **Soft-Start Functionality**  

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

Application Scenarios & Design Considerations

High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power

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