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MAX5033AUSA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX5033AUSA+T

Manufacturer: MAXIM

500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter

Partnumber Manufacturer Quantity Availability
MAX5033AUSA+T,MAX5033AUSAT MAXIM 680 In Stock

Description and Introduction

500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter The **MAX5033AUSA+T** 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:  

### **Specifications:**  
- **Input Voltage Range:** 7.5V to 76V  
- **Output Voltage:** Adjustable (1.25V to 13.2V) or fixed (3.3V, 5V, 12V)  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 125kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- The MAX5033AUSA+T is a **buck (step-down) DC-DC converter** designed for high-voltage applications.  
- It integrates a **high-side MOSFET switch** for simplified design.  
- Features **low dropout operation** (100% duty cycle) for extended battery life.  
- Includes **cycle-by-cycle current limiting** and **thermal shutdown** for protection.  

### **Features:**  
- **Wide Input Voltage Range (7.5V to 76V)** – Suitable for industrial and automotive applications.  
- **500mA Output Current** – Supports moderate power loads.  
- **Adjustable/Fixed Output Voltage** – Flexibility in design.  
- **Internal Soft-Start** – Reduces inrush current.  
- **Low Quiescent Current (270µA)** – Improves efficiency at light loads.  
- **Thermal Shutdown & Overcurrent Protection** – Enhances reliability.  

This device is commonly used in **automotive, industrial, and telecom power supplies**.

Application Scenarios & Design Considerations

500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter

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