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MAX1790EUA-T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1790EUA-T

Manufacturer: MAXIM

Low-Noise Step-Up DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX1790EUA-T,MAX1790EUAT MAXIM 10000 In Stock

Description and Introduction

Low-Noise Step-Up DC-DC Converters The MAX1790EUA-T is a step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V (set via external resistors)  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin μMAX (3mm x 3mm)  

### **Descriptions:**  
The MAX1790EUA-T is a high-efficiency, step-down DC-DC converter designed for battery-powered and low-voltage applications. It integrates synchronous rectification, reducing the need for external Schottky diodes. The device operates at a fixed 1MHz switching frequency, allowing the use of small external components.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency and eliminates the need for an external diode.  
- **Low Dropout Operation:** Allows the output to remain in regulation even when the input voltage approaches the output voltage.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures low output ripple and high efficiency across the load range.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device under fault conditions.  
- **Small Footprint:** The μMAX package saves board space in compact designs.  

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

Application Scenarios & Design Considerations

Low-Noise Step-Up DC-DC Converters

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