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MAX1904BEAI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1904BEAI+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1904BEAI+,MAX1904BEAI MAXIM 30 In Stock

Description and Introduction

500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers The MAX1904BEAI+ is a power management IC manufactured by Maxim Integrated. Below are the factual details about this component:

### **Manufacturer**: MAXIM (Maxim Integrated)  
### **Part Number**: MAX1904BEAI+  

### **Specifications**:  
- **Type**: Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range**: 4.5V to 28V  
- **Output Voltage Range**: Adjustable (0.8V to 5.5V)  
- **Output Current**: Up to 4A  
- **Switching Frequency**: 300kHz  
- **Efficiency**: Up to 95%  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 28-pin SSOP (Shrink Small Outline Package)  

### **Descriptions**:  
The MAX1904BEAI+ is a high-efficiency, step-down DC-DC converter designed for applications requiring high current and wide input voltage ranges. It integrates synchronous rectification to improve efficiency and reduce external component count.  

### **Features**:  
- **Synchronous Rectification** for improved efficiency  
- **Adjustable Output Voltage** (0.8V to 5.5V)  
- **4A Output Current Capability**  
- **Wide Input Voltage Range** (4.5V to 28V)  
- **300kHz Fixed-Frequency PWM Operation**  
- **Overcurrent and Thermal Protection**  
- **Low Dropout Operation**  
- **Soft-Start Function** for controlled power-up  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
Partnumber Manufacturer Quantity Availability
MAX1904BEAI+,MAX1904BEAI MAX 500 In Stock

Description and Introduction

500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers The MAX1904BEAI+ is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:  

### **Manufacturer:**  
- **MAXIM INTEGRATED (now Analog Devices)**  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**  
- The MAX1904BEAI+ is a high-efficiency, step-down (buck) DC-DC converter designed for applications requiring high current output.  
- It integrates a synchronous rectifier for improved efficiency and reduced external component count.  
- Suitable for powering microprocessors, DSPs, and other high-performance digital ICs.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency and reduces power loss.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **PWM/PFM Mode Switching:** Optimizes efficiency at light loads.  

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

Application Scenarios & Design Considerations

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

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