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ICL7660CSA from INTERSIL

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ICL7660CSA

Manufacturer: INTERSIL, MAX, MAXIM, LCL, MAXIM, INFINEON

Switched-Capacitor Voltage Converters

Partnumber Manufacturer Quantity Availability
ICL7660CSA INTERSIL, MAX, MAXIM, LCL, MAXIM, INFINEON 4549 In Stock

Description and Introduction

Switched-Capacitor Voltage Converters The ICL7660CSA is a voltage converter IC manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (MAXIM)  
- **Part Number:** ICL7660CSA  
- **Package:** 8-SOIC (Small Outline Integrated Circuit)  
- **Type:** Switched Capacitor Voltage Converter  
- **Input Voltage Range:** 1.5V to 10V  
- **Output Voltage:** Negative voltage equal to input (inverts input voltage)  
- **Output Current Capability:** Up to 40mA (depending on conditions)  
- **Switching Frequency:** ~10kHz (adjustable with external capacitor)  
- **Efficiency:** Up to 99%  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions:**  
The ICL7660CSA is a monolithic, CMOS voltage converter designed to generate a negative voltage from a positive input supply. It operates by switching an external capacitor to invert the input voltage, making it useful for applications requiring a dual power supply (e.g., ±5V from a single +5V source).  

### **Features:**  
- Simple voltage inversion without inductors  
- Low power consumption  
- No external diodes required (internal charge pump)  
- Adjustable switching frequency (via external capacitor)  
- Wide input voltage range (1.5V to 10V)  
- Can be cascaded for higher output voltages  
- Minimal external components required  

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

Application Scenarios & Design Considerations

Switched-Capacitor Voltage Converters

Alternative Part Number

  • MAX1044CSA+ --: Pin-compatible charge-pump voltage converter in the same 8-pin SOIC package with equivalent inverting/doubling function; widely available and a common drop-in replacement.
  • LTC1044ACS8#PBF --: Direct functional equivalent of the ICL7660 charge pump in an 8-pin SOIC, offering similar input range and conversion efficiency with improved specifications.
  • TC7660COA --: Industry-standard ICL7660-compatible charge pump converter in SOIC-8, pin-for-pin compatible and suitable for cost-sensitive designs.
  • LTC1044CS8 --: Pin-compatible switched-capacitor voltage converter from Linear Technology (now ADI) with similar inverting/doubling function and 8-pin SOIC package.
  • MAX1044CSA --: Direct functional equivalent from Maxim with the same pinout and voltage converter topology, widely used as a drop-in replacement.
  • LTC1044ACS8 --: Direct functional equivalent charge-pump converter with similar input range and output current, available in SO-8.

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