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MAX1978ETM from Maxim Integrated Products,MAXIM - Dallas Semiconductor

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MAX1978ETM

Manufacturer: Maxim Integrated Products

Integrated Temperature Controllers for Peltier Modules

Partnumber Manufacturer Quantity Availability
MAX1978ETM Maxim Integrated Products 54 In Stock

Description and Introduction

Integrated Temperature Controllers for Peltier Modules The MAX1978ETM is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated Products. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 23V  
- **Output Voltage Range:** 0.8V to 18V (adjustable)  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-Pin TQFN (7mm x 7mm)  
- **Control Method:** Current-mode PWM  

### **Descriptions:**  
The MAX1978ETM is a synchronous buck (step-down) DC-DC converter designed for high-efficiency power conversion in applications requiring high output current. It integrates MOSFET drivers and features an adjustable switching frequency for optimized performance.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Synchronous Rectification** for improved efficiency  
- **Soft-Start Function** to limit inrush current  
- **Overcurrent and Overtemperature Protection**  
- **Adjustable Switching Frequency** for noise-sensitive applications  
- **Low Dropout Operation** for extended battery life  

This device is commonly used in industrial, telecom, and computing applications requiring high-efficiency power conversion.

Application Scenarios & Design Considerations

Integrated Temperature Controllers for Peltier Modules
Partnumber Manufacturer Quantity Availability
MAX1978ETM MAX 15 In Stock

Description and Introduction

Integrated Temperature Controllers for Peltier Modules The MAX1978ETM is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 23V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Output Current:** Up to 7A  
- **Switching Frequency:** 300kHz (adjustable up to 1MHz)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-Pin TQFN (7mm x 7mm)  

### **Descriptions:**  
The MAX1978ETM is a synchronous buck (step-down) DC-DC converter designed for high-current applications. It integrates high-side and low-side MOSFETs, reducing external component count. It supports adjustable output voltage and frequency, making it suitable for various power supply designs.  

### **Features:**  
- **Integrated Power MOSFETs** (reduces external components)  
- **Adjustable Output Voltage** via external resistors  
- **Programmable Switching Frequency** (300kHz to 1MHz)  
- **Soft-Start and Overcurrent Protection**  
- **Low-Dropout Operation** for extended battery life  
- **Thermal Shutdown Protection**  
- **Synchronizable Switching Frequency**  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Integrated Temperature Controllers for Peltier Modules
Partnumber Manufacturer Quantity Availability
MAX1978ETM MAXIM 6 In Stock

Description and Introduction

Integrated Temperature Controllers for Peltier Modules The MAX1978ETM 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 23V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-Pin TQFN (7mm x 7mm)  

### **Descriptions:**
- The MAX1978ETM is a synchronous step-down DC-DC converter optimized for high efficiency and compact designs.  
- It integrates power MOSFETs and supports adjustable output voltage via an external resistor divider.  
- The device includes features like soft-start, overcurrent protection, and thermal shutdown for robust operation.  

### **Features:**
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Integrated MOSFETs:** Reduces external component count.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Overcurrent & Thermal Protection:** Enhances system reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  

This information is based solely on the manufacturer's datasheet for the MAX1978ETM.

Application Scenarios & Design Considerations

Integrated Temperature Controllers for Peltier Modules

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