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MAX680 from MAXIM,MAXIM - Dallas Semiconductor

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MAX680

Manufacturer: MAXIM, MAXIA, Max

+5V to ±10V Voltage Converters

Partnumber Manufacturer Quantity Availability
MAX680 MAXIM, MAXIA, Max 516 In Stock

Description and Introduction

+5V to ±10V Voltage Converters The MAX680 is a dual charge-pump voltage converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** +1.5V to +6.0V  
- **Output Voltage Options:**  
  - ±5V (MAX680)  
  - ±10V (MAX681)  
- **Output Current:** Up to 10mA (varies with input voltage)  
- **Switching Frequency:** 10kHz (typical)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package Options:** 8-pin DIP, SOIC  

### **Descriptions:**  
- The MAX680 is a monolithic, dual charge-pump DC-DC converter that generates both positive and negative output voltages from a single positive supply.  
- It does not require inductors, making it suitable for space-constrained applications.  
- The device uses switched-capacitor technology to invert and double the input voltage, providing regulated ±5V or ±10V outputs.  

### **Features:**  
- **Dual Output:** Generates both positive and negative voltages simultaneously.  
- **No Inductors Required:** Simplifies PCB design.  
- **Low Power Consumption:** Typically draws 1.5mA supply current.  
- **High Efficiency:** Up to 99% (depending on load conditions).  
- **Simple External Components:** Only requires four external capacitors.  
- **Compact Design:** Suitable for portable and battery-powered applications.  

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

Application Scenarios & Design Considerations

+5V to ±10V Voltage Converters

Alternative Part Number

  • ICL7660 --: Pin-compatible CMOS voltage converter/inverter that performs the same charge-pump function as the MAX680 and is widely available.
  • LT1054 --: Switched-capacitor voltage converter with higher output current and similar inverting/doubling function, suitable as a functional upgrade.
  • TC7660 --: Low-cost CMOS charge-pump voltage converter offering equivalent inversion/doubling operation for the same application.

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