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MAX757CSA. from MAX,MAXIM - Dallas Semiconductor

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MAX757CSA.

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX757CSA.,MAX757CSA MAX 6 In Stock

Description and Introduction

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters The MAX757CSA is a step-up (boost) switching regulator manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
Maxim Integrated (now part of Analog Devices)  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable from 2.7V to 5.5V (fixed 5V version also available)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**  
The MAX757CSA is a low-power, step-up DC-DC converter designed for battery-powered applications. It features a high-efficiency, current-limited PWM controller and requires minimal external components. The device is optimized for low-input-voltage operation, making it suitable for single-cell or dual-cell battery systems.  

### **Features:**  
- Low start-up voltage (0.7V)  
- Adjustable or fixed output voltage options  
- Internal 0.5A N-channel MOSFET switch  
- Low quiescent current (110µA typical)  
- Current-limited PWM control  
- Thermal shutdown protection  
- Small footprint with minimal external components  

The MAX757CSA is commonly used in portable electronics, battery-powered devices, and low-voltage power supply applications.  

(Note: Always refer to the official datasheet for detailed and updated specifications.)

Application Scenarios & Design Considerations

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

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