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MAX857CUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX857CUA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX857CUA MAXIM 110 In Stock

Description and Introduction

3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters The MAX857CUA is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable or Fixed (depending on variant)  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (MicroMAX)  

### **Descriptions:**  
The MAX857CUA is a low-power, step-up DC-DC converter designed for battery-powered applications. It provides a regulated output voltage from a low input voltage, making it suitable for single-cell or dual-cell battery systems.  

### **Features:**  
- Low start-up voltage (0.7V)  
- High efficiency (up to 90%)  
- Internal MOSFET switch  
- Low quiescent current (45µA typical)  
- Adjustable or fixed output voltage options  
- Small 8-pin µMAX package  
- Overcurrent protection  
- Thermal shutdown  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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