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MAX5033CUSA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5033CUSA+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX5033CUSA+,MAX5033CUSA MAXIM 30 In Stock

Description and Introduction

500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter The MAX5033CUSA+ 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 from 1.25V to 13.2V (fixed 3.3V, 5V, or 12V options available)  
- **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 MAX5033CUSA+ is a **buck (step-down) DC-DC converter** designed for high-voltage applications.  
- It integrates a **high-side MOSFET** and requires minimal external components.  
- Features **low quiescent current** (270µA typical) for improved efficiency in light-load conditions.  
- Includes **cycle-by-cycle current limiting**, **thermal shutdown**, and **soft-start** for protection.  

### **Features:**  
- **Wide Input Voltage Range (7.5V to 76V)** – Suitable for industrial and automotive applications.  
- **Adjustable or Fixed Output Voltage** – Supports 3.3V, 5V, 12V, or adjustable via external resistors.  
- **Internal Power MOSFET** – Simplifies design and reduces external component count.  
- **Low Dropout Operation** – Maintains regulation even when input voltage is close to output.  
- **Thermal Shutdown & Current Limiting** – Protects the device from overheating and overcurrent.  
- **Soft-Start Function** – Reduces inrush current during startup.  

This device is commonly used in **industrial controls, automotive systems, and battery-powered applications**.

Application Scenarios & Design Considerations

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

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