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MAX796 from MAX,MAXIM - Dallas Semiconductor

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MAX796

Manufacturer: MAX

Step-Down Controllers with Synchronous Rectifier for CPU Power

Partnumber Manufacturer Quantity Availability
MAX796 MAX 2 In Stock

Description and Introduction

Step-Down Controllers with Synchronous Rectifier for CPU Power The MAX796 is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer**:  
- Maxim Integrated (now Analog Devices)

### **Specifications**:  
- **Input Voltage Range**: 4.5V to 30V  
- **Output Voltage Range**: Adjustable from 1.25V to 5.5V  
- **Output Current**: Up to 5A  
- **Switching Frequency**: 300kHz (fixed)  
- **Efficiency**: Up to 95%  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 16-pin QSOP or 16-pin SOIC  

### **Descriptions**:  
- The MAX796 is a synchronous buck (step-down) DC-DC converter designed for high-efficiency power conversion.  
- It integrates both high-side and low-side MOSFETs for reduced external component count.  
- Features pulse-width modulation (PWM) control for stable output regulation.  
- Suitable for applications requiring high current and wide input voltage range.  

### **Features**:  
- **Synchronous Rectification**: Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage**: Set via external resistors.  
- **Soft-Start Function**: Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection**: Safeguards against faults.  
- **Low Dropout Operation**: Maintains regulation even when input voltage is close to output.  

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

Application Scenarios & Design Considerations

Step-Down Controllers with Synchronous Rectifier for CPU Power

Alternative Part Number

  • LTC1149 --: High-efficiency step-down switching regulator controller with similar function and pin-compatible topology, widely used as a MAX796 substitute.
  • MC34063A --: Versatile DC-DC converter controller covering step-down/step-up/inverting topologies, a common low-cost alternative for MAX796 designs.
  • LM2576 --: Integrated step-down switching regulator with simple external component count, suitable replacement where a complete buck regulator is acceptable.

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