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MAX1947ETA18+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1947ETA18+

Manufacturer: MAXIM

Low Input/Output Voltage Step-Up DC-DC Converter with Active-Low RESET

Partnumber Manufacturer Quantity Availability
MAX1947ETA18+ MAXIM 4200 In Stock

Description and Introduction

Low Input/Output Voltage Step-Up DC-DC Converter with Active-Low RESET The **MAX1947ETA18+** 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 information:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Category:** Power Management IC (PMIC)  
- **Type:** Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range:** **4.5V to 28V**  
- **Output Voltage:** **1.8V** (Fixed)  
- **Output Current:** **1A** (Maximum)  
- **Switching Frequency:** **500kHz**  
- **Efficiency:** Up to **95%**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **8-Pin TDFN-EP (3x3mm)**  
- **Features:** Synchronous Rectification, Internal Compensation, Soft-Start  

### **Descriptions:**  
The **MAX1947ETA18+** is a high-efficiency, step-down DC-DC converter designed for applications requiring a stable **1.8V output** from a wide input voltage range (4.5V to 28V). It integrates synchronous rectification for improved efficiency and includes internal compensation to simplify design.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 28V)**  
- **Fixed 1.8V Output Voltage**  
- **1A Output Current Capability**  
- **High Efficiency (Up to 95%)**  
- **500kHz Switching Frequency**  
- **Synchronous Rectification** (Reduces External Diode Requirement)  
- **Internal Compensation** (Simplifies Circuit Design)  
- **Soft-Start Function** (Prevents Inrush Current)  
- **Thermal Shutdown & Overcurrent Protection**  
- **Compact 8-Pin TDFN-EP Package**  

This IC is commonly used in **industrial, automotive, and consumer electronics** applications requiring efficient power conversion.  

(Note: For further details, refer to the official **Maxim Integrated datasheet**.)

Application Scenarios & Design Considerations

Low Input/Output Voltage Step-Up DC-DC Converter with Active-Low RESET

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