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MAX5053BEUA+ from MAIXM

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MAX5053BEUA+

Manufacturer: MAIXM

Current-Mode PWM Controllers with an Error Amplifier for Isolated/Nonisolated Power Supplies

Partnumber Manufacturer Quantity Availability
MAX5053BEUA+ MAIXM 2500 In Stock

Description and Introduction

Current-Mode PWM Controllers with an Error Amplifier for Isolated/Nonisolated Power Supplies The MAX5053BEUA+ is a power management IC (PMIC) 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 (MAIXM)  
- **Part Number:** MAX5053BEUA+  
- **Package:** 8-pin µMAX (MSOP-8)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Regulation Type:** Step-down (buck) DC-DC converter  

### **Descriptions:**  
The MAX5053BEUA+ is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high output current with a wide input voltage range. It integrates low-side and high-side MOSFETs, reducing external component count. The device operates at a fixed 500kHz switching frequency, making it suitable for space-constrained designs.  

### **Features:**  
- **Integrated Power MOSFETs:** Reduces external component requirements.  
- **Wide Input Voltage Range (4.5V–28V):** Supports various power sources.  
- **High Efficiency (up to 95%):** Optimized for power-sensitive applications.  
- **Adjustable Output Voltage (1.25V–5.5V):** Configurable via external resistors.  
- **3A Output Current Capability:** Suitable for high-power applications.  
- **500kHz Fixed Switching Frequency:** Minimizes inductor size.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  
- **Low Quiescent Current (40µA in Shutdown Mode):** Improves power efficiency.  

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

Application Scenarios & Design Considerations

Current-Mode PWM Controllers with an Error Amplifier for Isolated/Nonisolated Power Supplies

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