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MAX1957EUB from MAXIM,MAXIM - Dallas Semiconductor

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MAX1957EUB

Manufacturer: MAXIM

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller

Partnumber Manufacturer Quantity Availability
MAX1957EUB MAXIM 2570 In Stock

Description and Introduction

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller The MAX1957EUB is a step-down (buck) DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin μMAX (µMAX)  

### **Descriptions:**  
The MAX1957EUB is a synchronous buck converter designed for high-efficiency power conversion in applications requiring a compact footprint. It integrates both high-side and low-side MOSFETs, reducing external component count. The device features pulse-width modulation (PWM) control for stable output regulation.  

### **Features:**  
- **Integrated Power MOSFETs** – Reduces external component requirements.  
- **Adjustable Output Voltage** – Set via external resistors.  
- **Soft-Start Function** – Limits inrush current during startup.  
- **Overcurrent Protection** – Prevents damage under fault conditions.  
- **Thermal Shutdown** – Protects against overheating.  
- **Low Quiescent Current** – Improves efficiency at light loads.  
- **Small Footprint** – 10-pin µMAX package saves board space.  

This information is strictly factual from the manufacturer’s datasheet. Let me know if you need further details.

Application Scenarios & Design Considerations

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller

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