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MAX1901ETJ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1901ETJ

Manufacturer: MAXIM

500kHz Multi-Output / Low-Noise Power-Supply Controllers for Notebook Computers

Partnumber Manufacturer Quantity Availability
MAX1901ETJ MAXIM 5500 In Stock

Description and Introduction

500kHz Multi-Output / Low-Noise Power-Supply Controllers for Notebook Computers The MAX1901ETJ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 10A  
- **Switching Frequency:** 300kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Package:** 32-pin TQFN (5mm x 5mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1901ETJ is a synchronous buck (step-down) DC-DC converter designed for high-performance applications requiring high efficiency and compact size. It integrates power MOSFETs and features a fixed-frequency PWM control scheme for stable operation. The device is suitable for point-of-load regulation in telecom, networking, and industrial systems.

### **Features:**  
- **Integrated Power MOSFETs** – Reduces external component count.  
- **Adjustable Output Voltage** – Set via external resistors.  
- **High Efficiency** – Up to 95% efficiency with synchronous rectification.  
- **Overcurrent and Thermal Protection** – Enhances reliability.  
- **Soft-Start Function** – Limits inrush current during startup.  
- **300kHz Fixed Switching Frequency** – Balances efficiency and component size.  
- **Low Dropout Operation** – Maintains regulation even when input voltage is close to output.  

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

Application Scenarios & Design Considerations

500kHz Multi-Output / Low-Noise Power-Supply Controllers for Notebook Computers

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