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MAX1951ESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1951ESA+

Manufacturer: MAXIM

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators

Partnumber Manufacturer Quantity Availability
MAX1951ESA+,MAX1951ESA MAXIM 29400 In Stock

Description and Introduction

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators The MAX1951ESA+ is a step-down DC-DC converter manufactured by **MAXIM** (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
The MAX1951ESA+ is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated output voltage from a higher input voltage. It features an internal power MOSFET switch, reducing the need for external components.  

### **Features:**  
- **Internal Power MOSFET** (No external switch required)  
- **Adjustable Output Voltage** (via external resistors)  
- **Low Dropout Operation** (100% duty cycle)  
- **Soft-Start Function** (Reduces inrush current)  
- **Overcurrent and Thermal Protection**  
- **Synchronous Rectification** (Improves efficiency)  

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

Application Scenarios & Design Considerations

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators

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