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MAX1947ETA18+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1947ETA18+T

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1947ETA18+T,MAX1947ETA18T MAXIM 656 In Stock

Description and Introduction

Low Input/Output Voltage Step-Up DC-DC Converter with Active-Low RESET The **MAX1947ETA18+T** 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 from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **MAXIM** (Maxim Integrated, now part of Analog Devices)  

### **Specifications:**  
- **Output Voltage:** Adjustable (0.6V to VIN)  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Current:** Up to 1.2A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin TDFN (3mm x 3mm)  
- **Topology:** Synchronous Buck (Step-Down) Converter  
- **Features:**  
  - **PWM/PFM Mode Operation** for high efficiency across load ranges  
  - **Internal Compensation** for simplified design  
  - **Soft-Start Function** to limit inrush current  
  - **Overcurrent and Thermal Protection**  
  - **Low Quiescent Current** (30µA in shutdown mode)  

### **Descriptions:**  
The **MAX1947ETA18+T** is a high-efficiency, synchronous step-down DC-DC converter designed for portable and battery-powered applications. It integrates power MOSFETs and supports a wide input voltage range, making it suitable for powering low-voltage processors, FPGAs, and other digital loads.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification  
- **Low Dropout Operation:** Allows operation close to the output voltage  
- **Small Footprint:** 8-pin TDFN package saves board space  
- **Adjustable Output:** Set via external resistors  
- **Low Noise:** Fixed-frequency PWM operation reduces EMI  

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

Application Scenarios & Design Considerations

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

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