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MAX1638EAG from MAXIM,MAXIM - Dallas Semiconductor

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MAX1638EAG

Manufacturer: MAXIM

High-Speed Step-Down Controller with Synchronous Rectification for CPU Power

Partnumber Manufacturer Quantity Availability
MAX1638EAG MAXIM 6698 In Stock

Description and Introduction

High-Speed Step-Down Controller with Synchronous Rectification for CPU Power The MAX1638EAG is a high-efficiency, step-down switching regulator 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 from 1.25V to 5.5V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**
The MAX1638EAG is a synchronous step-down DC-DC converter designed for high-power applications. It integrates high-side and low-side MOSFET drivers, reducing external component count. The device offers precise output voltage regulation and high efficiency, making it suitable for industrial, telecom, and computing applications.

### **Features:**
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent and Thermal Protection:** Enhances system reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  
- **Wide Input Voltage Range:** Supports various power sources.  

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

Partnumber Manufacturer Quantity Availability
MAX1638EAG MAX 43 In Stock

Description and Introduction

High-Speed Step-Down Controller with Synchronous Rectification for CPU Power The MAX1638EAG is a step-down controller manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features 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 20A (with external MOSFETs)  
- **Switching Frequency:** 200kHz to 300kHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**  
- The MAX1638EAG is a high-efficiency, step-down (buck) DC-DC controller designed for high-current applications.  
- It uses synchronous rectification for improved efficiency and supports adjustable output voltage.  
- The device is suitable for powering high-performance processors, ASICs, and other low-voltage, high-current loads.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 30V input.  
- **Adjustable Output Voltage:** Configurable from 1.25V to 5.5V.  
- **Synchronous Rectification:** Enhances efficiency and reduces power loss.  
- **Programmable Switching Frequency:** Allows optimization for efficiency or component size.  
- **Current-Mode Control:** Provides fast transient response and stable operation.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Ensures safe operation under fault conditions.  
- **Power-Good Output:** Monitors output voltage status.  

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

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