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MAX8744ETJ+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8744ETJ+T

Manufacturer: MAXIM

High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers

Partnumber Manufacturer Quantity Availability
MAX8744ETJ+T MAXIM 8407 In Stock

Description and Introduction

High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers The MAX8744ETJ+T 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:

### **Manufacturer:**  
MAXIM (Maxim Integrated)  

### **Part Number:**  
MAX8744ETJ+T  

### **Description:**  
The MAX8744ETJ+T is a synchronous step-down DC-DC converter designed for high-efficiency power conversion. It integrates power MOSFETs and supports a wide input voltage range, making it suitable for various applications requiring regulated power supply.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 23V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Integrated Power MOSFETs:** Yes  
- **Synchronous Rectification:** Yes (improves efficiency)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 32-Pin TQFN (5mm x 5mm)  
- **Protection Features:**  
  - Overcurrent Protection (OCP)  
  - Overvoltage Protection (OVP)  
  - Thermal Shutdown  

### **Applications:**  
- Notebook computers  
- Point-of-load (POL) regulators  
- Industrial power supplies  
- Networking equipment  

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

Application Scenarios & Design Considerations

High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers

Alternative Part Number

  • ISL6237IRZ --: Dual-channel step-down controller for notebook power supplies with similar function and pinout class, widely used as a MAX8744 cross-reference.
  • TPS51125RGER --: Dual synchronous buck controller for notebook DDR/VCore rails, functionally comparable to the MAX8744 with similar voltage-mode control architecture.
  • RT8205LZQW --: Dual-channel PWM controller for notebook power rails, commonly offered as a drop-in functional alternative to MAX8744-class controllers.

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