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MAX1820XEUB+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1820XEUB+T

Manufacturer: MAXIM

WCDMA Cellular Phone 600mA Buck Regulators

Partnumber Manufacturer Quantity Availability
MAX1820XEUB+T MAXIM 10500 In Stock

Description and Introduction

WCDMA Cellular Phone 600mA Buck Regulators The MAX1820XEUB+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:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX1820XEUB+T  
- **Package:** 10-µMAX (3mm x 5mm)  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Regulation Type:** PWM (Pulse-Width Modulation)  
- **Protection Features:** Overcurrent and thermal shutdown  

### **Description:**  
The MAX1820XEUB+T is a high-efficiency, step-down DC-DC converter designed for low-power applications. It integrates a synchronous rectifier to minimize external components and improve efficiency. The device operates at a fixed 1MHz switching frequency, allowing for small external components and compact PCB layouts.  

### **Features:**  
- High efficiency (up to 95%)  
- Low dropout operation (100% duty cycle)  
- Adjustable output voltage (0.8V to VIN)  
- 1MHz fixed switching frequency  
- Internal synchronous rectifier  
- Low quiescent current (40µA typical)  
- Overcurrent and thermal protection  
- Small 10-µMAX package  

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

Application Scenarios & Design Considerations

WCDMA Cellular Phone 600mA Buck Regulators

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