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MAX1821EUB-T from MAX,MAXIM - Dallas Semiconductor

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MAX1821EUB-T

Manufacturer: MAX

WCDMA Cellular Phone 600mA Buck Regulators

Partnumber Manufacturer Quantity Availability
MAX1821EUB-T,MAX1821EUBT MAX 500 In Stock

Description and Introduction

WCDMA Cellular Phone 600mA Buck Regulators The MAX1821EUB-T is a step-down DC-DC converter 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 (Analog Devices)  
### **Part Number:** MAX1821EUB-T  
### **Package:** 10-pin µMAX (µSOP)  

### **Description:**  
The MAX1821EUB-T is a high-efficiency, step-down DC-DC converter designed for low-voltage applications. It integrates a synchronous rectifier to improve efficiency and reduce external component count.  

### **Key Features:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **High Efficiency:** Up to 95%  
- **Switching Frequency:** 1MHz (fixed)  
- **Low Quiescent Current:** 40µA (typical)  
- **Synchronous Rectification:** Reduces external diode requirement  
- **Pulse-Width Modulation (PWM) Operation**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Soft-Start Function**  

### **Applications:**  
- Portable devices  
- Battery-powered systems  
- PDAs and handheld electronics  
- Low-voltage DSP/FPGA power supplies  

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

Application Scenarios & Design Considerations

WCDMA Cellular Phone 600mA Buck Regulators

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