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MAX797HESE

High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power

Partnumber Manufacturer Quantity Availability
MAX797HESE 116 In Stock

Description and Introduction

High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power The MAX797HESE is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 7A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP (Exposed Pad)  

### **Descriptions:**  
The MAX797HESE is a synchronous buck (step-down) DC-DC converter designed for high-efficiency power conversion in applications such as telecom, networking, and industrial systems. It integrates high-side and low-side MOSFETs, reducing external component count.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Internal MOSFETs:** Eliminates the need for external switches.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent and Thermal Protection:** Enhances system reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power
Partnumber Manufacturer Quantity Availability
MAX797HESE MAX 2035 In Stock

Description and Introduction

High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power The MAX797HESE is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V (fixed or adjustable versions available)  
- **Output Current:** Up to 7A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP (Exposed Pad)  

### **Descriptions:**  
The MAX797HESE is a synchronous buck converter designed for high-performance power supply applications. It integrates high-side and low-side MOSFETs, reducing external component count. The device supports both fixed and adjustable output voltage configurations and includes features like soft-start, overcurrent protection, and thermal shutdown.  

### **Features:**  
- Synchronous rectification for high efficiency  
- Internal MOSFETs (high-side and low-side)  
- Adjustable or fixed output voltage  
- Soft-start function  
- Overcurrent and thermal protection  
- Low dropout operation  
- Wide input voltage range  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power
Partnumber Manufacturer Quantity Availability
MAX797HESE MAXIM 80 In Stock

Description and Introduction

High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power The MAX797HESE is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Step-Down DC-DC Converter  
- **Package:** 16-pin QSOP (Exposed Pad)  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable (down to 1.25V)  
- **Output Current:** Up to 7A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX797HESE is a synchronous buck (step-down) DC-DC converter designed for high-efficiency power conversion in applications requiring high current output. It integrates power MOSFETs and features a fixed-frequency PWM control scheme for stable operation.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Wide Input Voltage Range:** Supports 4.5V to 30V input.  
- **Adjustable Output Voltage:** Configurable down to 1.25V.  
- **High Output Current:** Capable of delivering up to 7A.  
- **Fixed-Frequency Operation:** 300kHz switching frequency for reduced noise.  
- **Integrated Power MOSFETs:** Simplifies external component requirements.  
- **Thermal Protection:** Includes over-temperature shutdown.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Low Dropout Operation:** Maintains regulation even with small input-output differentials.  

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

Application Scenarios & Design Considerations

High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power

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