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MAX857CSA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX857CSA+

Manufacturer: MAXIM

3.3V/5V or Adjustable Output, Step-Up DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX857CSA+,MAX857CSA MAXIM 40 In Stock

Description and Introduction

3.3V/5V or Adjustable Output, Step-Up DC-DC Converters The MAX857CSA+ is a step-up DC-DC converter manufactured by **MAXIM** (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** MAXIM (Analog Devices)  
- **Category:** DC-DC Switching Regulators  
- **Output Type:** Adjustable  
- **Topology:** Step-Up (Boost)  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable up to 5.5V  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-Pin SOIC  

### **Descriptions:**  
The MAX857CSA+ is a **low-power, step-up DC-DC converter** designed for battery-powered applications. It features a high-efficiency boost topology, allowing it to generate a regulated output voltage from a low input voltage (as low as 0.7V). It is commonly used in portable electronics, such as **LED drivers, PDAs, and wireless devices**, where efficient power conversion from a single-cell battery is required.  

### **Features:**  
- **Low Start-Up Voltage (0.7V)**  
- **Adjustable or Fixed Output Voltage (up to 5.5V)**  
- **High Efficiency (Up to 94%)**  
- **Low Quiescent Current (40µA typical)**  
- **Internal 0.5A N-Channel Switch**  
- **500kHz Switching Frequency**  
- **Small 8-Pin SOIC Package**  
- **Overcurrent Protection**  
- **Thermal Shutdown Protection**  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3.3V/5V or Adjustable Output, Step-Up DC-DC Converters

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