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MAX860

50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters

Partnumber Manufacturer Quantity Availability
MAX860 8 In Stock

Description and Introduction

50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters The MAX860 is a high-efficiency, step-up DC-DC converter designed for applications requiring a regulated output voltage from a low-voltage input source. Below are the factual specifications, descriptions, and features based on available knowledge:  

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

### **Key Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 10µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** 8-pin µMAX, 10-pin µMAX  

### **Descriptions:**  
- The MAX860 is a low-power, step-up DC-DC converter optimized for battery-powered applications.  
- It uses a current-limited, pulse-width modulation (PWM) control scheme for stable output regulation.  
- The device includes an internal N-channel MOSFET switch for high efficiency.  
- It is suitable for single-cell or dual-cell battery applications, such as portable electronics, medical devices, and energy harvesting systems.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V input.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Quiescent Current:** Enhances battery life in standby mode.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Short-Circuit Protection:** Improves system reliability.  
- **Small Footprint:** Available in compact µMAX packages.  

For exact performance characteristics, refer to the official datasheet from Analog Devices (formerly Maxim Integrated).

Application Scenarios & Design Considerations

50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters

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