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MAX5033DASA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX5033DASA+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX5033DASA+,MAX5033DASA MAXIM 100 In Stock

Description and Introduction

500mA, 76V, High-Efficiency, MAXPower Step-Down DC-DC Converter The MAX5033DASA+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

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

### **Descriptions:**  
The MAX5033DASA+ is a versatile, easy-to-use buck (step-down) DC-DC converter designed for high-voltage applications. It integrates a power MOSFET and features a fixed-frequency PWM control scheme for stable operation. The device includes internal soft-start, thermal shutdown, and cycle-by-cycle current limiting for protection.  

### **Features:**  
- **Wide Input Voltage Range (7.5V to 76V)** – Suitable for industrial, automotive, and telecom applications.  
- **High Efficiency (Up to 94%)** – Reduces power dissipation.  
- **Fixed-Frequency Operation (125kHz)** – Simplifies EMI filtering.  
- **Internal Power MOSFET** – Eliminates the need for an external switch.  
- **Adjustable or Fixed Output Voltage** – Configurable for 3.3V, 5V, or other voltages via resistors.  
- **Protection Features:**  
  - Thermal shutdown  
  - Cycle-by-cycle current limiting  
  - Soft-start for controlled startup  
- **Low Quiescent Current (270µA typical)** – Improves efficiency at light loads.  

This device is commonly used in industrial control systems, automotive electronics, and distributed power supplies.

Application Scenarios & Design Considerations

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

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