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MAX858CSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX858CSA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX858CSA MAXIM 76 In Stock

Description and Introduction

3.3V/5V or Adjustable-Output / Step-Up DC-DC Converters The MAX858CSA is a low-power, step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable from 2V to 5.5V (fixed 3.3V or 5V versions available)  
- **Output Current:** Up to 200mA (depending on input voltage and output configuration)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (MAX858CSA)  
- **Low Quiescent Current:** 15µA (typical)  

### **Descriptions:**  
The MAX858CSA is a compact, high-efficiency step-up DC-DC converter designed for battery-powered applications. It integrates a power switch, rectifier, and control circuitry, requiring minimal external components.  

### **Features:**  
- Low start-up voltage (0.7V)  
- Adjustable or fixed output voltage options  
- Internal power MOSFET switch  
- Low shutdown current (<1µA)  
- Soft-start feature to limit inrush current  
- Overcurrent protection  
- Small footprint with minimal external components  

This device is commonly used in portable electronics, battery-powered systems, and energy-harvesting applications.

Application Scenarios & Design Considerations

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

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