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MAX639ESA-T from MAIXM

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MAX639ESA-T

Manufacturer: MAIXM

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX639ESA-T,MAX639ESAT MAIXM 2500 In Stock

Description and Introduction

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters The MAX639ESA-T is a voltage regulator 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 (now Analog Devices)  
- **Part Number:** MAX639ESA-T  
- **Package:** 8-SOIC (150mil)  
- **Input Voltage Range:** 5.5V to 11.5V  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** Up to 225mA  
- **Dropout Voltage:** 0.5V (typical)  
- **Quiescent Current:** 10µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Regulator Type:** Step-Down (Buck) Switching Regulator  
- **Switching Frequency:** 85kHz (typical)  
- **Efficiency:** Up to 90%  
- **Protection Features:** Overcurrent, Thermal Shutdown  

### **Descriptions:**  
The MAX639ESA-T is a low-power, step-down switching regulator designed for applications requiring efficient power conversion. It provides a fixed 5V output from an input voltage range of 5.5V to 11.5V, making it suitable for battery-powered and portable devices.  

### **Features:**  
- **High Efficiency:** Up to 90% efficiency for extended battery life.  
- **Low Quiescent Current:** 10µA (typical) for minimal power loss in standby.  
- **Wide Input Range:** Operates from 5.5V to 11.5V.  
- **Fixed 5V Output:** No external feedback resistors required.  
- **Compact Design:** Integrated power switch reduces external component count.  
- **Protection Circuits:** Includes overcurrent and thermal shutdown for reliability.  
- **Low Dropout Voltage:** 0.5V (typical) for better efficiency at low input voltages.  

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

Application Scenarios & Design Considerations

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters

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