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MAX1806EUA18+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1806EUA18+

Manufacturer: MAXIM

500mA, Low-Voltage Linear Regulator in µMAX

Partnumber Manufacturer Quantity Availability
MAX1806EUA18+,MAX1806EUA18 MAXIM 956 In Stock

Description and Introduction

500mA, Low-Voltage Linear Regulator in µMAX The **MAX1806EUA18+** is a high-efficiency, 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 from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Category:** DC-DC Switching Regulator  
- **Output Type:** Fixed  
- **Output Voltage:** **1.8V**  
- **Output Current:** **600mA**  
- **Input Voltage Range:** **2.5V to 5.5V**  
- **Switching Frequency:** **1MHz**  
- **Efficiency:** Up to **95%**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **8-pin μMAX (UA)**  
- **Topology:** Synchronous Buck (Step-Down)  
- **Features:**  
  - **Low Dropout Operation**  
  - **Internal Synchronous Rectifier**  
  - **Pulse-Width Modulation (PWM) Mode**  
  - **Low Quiescent Current (30µA typical)**  
  - **Soft-Start Function**  
  - **Thermal Shutdown Protection**  

### **Description:**  
The **MAX1806EUA18+** is a compact, high-efficiency step-down DC-DC converter designed for battery-powered and space-constrained applications. It integrates synchronous rectification for improved efficiency and operates at a fixed switching frequency of **1MHz**, allowing the use of small external components.  

### **Features:**  
- **High Efficiency (up to 95%)**  
- **Low Quiescent Current (30µA typical)** for extended battery life  
- **Fixed 1.8V Output Voltage**  
- **Wide Input Voltage Range (2.5V to 5.5V)**  
- **Internal Synchronous Rectifier** eliminates the need for an external Schottky diode  
- **PWM Operation** for consistent performance under load  
- **Thermal Shutdown & Overcurrent Protection** for reliability  
- **Soft-Start Function** to minimize inrush current  

This device is commonly used in **portable electronics, handheld devices, and low-power embedded systems** where space and efficiency are critical.  

(Note: This is a factual summary based on available specifications; always refer to the latest datasheet for detailed technical information.)

Application Scenarios & Design Considerations

500mA, Low-Voltage Linear Regulator in µMAX

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