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ICL7660S from INTEL

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ICL7660S

Manufacturer: INTEL, INTERSIL

Voltage Inverter, +5 to ?V, Input Voltage 1.5-12V, w/Freq Boost

Partnumber Manufacturer Quantity Availability
ICL7660S INTEL, INTERSIL 797 In Stock

Description and Introduction

Voltage Inverter, +5 to ?V, Input Voltage 1.5-12V, w/Freq Boost The ICL7660S is a voltage converter IC manufactured by **Intel**. Below are the factual specifications, descriptions, and features from the available knowledge base:

### **Specifications:**
- **Manufacturer:** Intel  
- **Type:** Voltage Converter (DC-DC)  
- **Function:** Converts a positive input voltage to a corresponding negative output voltage (e.g., +5V to -5V).  
- **Input Voltage Range:** 1.5V to 10V  
- **Output Voltage:** Negative of the input voltage (with minimal losses).  
- **Output Current Capability:** Up to 40mA (depending on input voltage).  
- **Switching Frequency:** ~10kHz (internal oscillator).  
- **Package Type:** 8-pin SOIC (Small Outline Integrated Circuit).  
- **Operating Temperature Range:** 0°C to 70°C (commercial grade).  

### **Descriptions:**
- The ICL7660S is a monolithic CMOS voltage converter designed to generate a negative supply voltage from a positive input.  
- It is commonly used in applications requiring dual power supplies (e.g., op-amps, data converters).  
- The device includes an internal oscillator, voltage regulator, and four power MOSFET switches for charge-pump operation.  

### **Features:**
- **Wide Input Voltage Range:** Supports 1.5V to 10V inputs.  
- **High Efficiency:** Minimal power loss due to CMOS technology.  
- **Low Power Consumption:** Typically draws less than 0.5mA supply current.  
- **No External Diodes Required:** Integrated switching eliminates the need for external diodes.  
- **Pin-Compatible:** Drop-in replacement for the industry-standard ICL7660.  
- **External Clock Capability:** Can be synchronized with an external clock source (if needed).  

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

Application Scenarios & Design Considerations

Voltage Inverter, +5 to ?V, Input Voltage 1.5-12V, w/Freq Boost

Alternative Part Number

  • LTC1044 --: Pin-compatible CMOS charge-pump voltage converter with the same function and similar specifications, widely used as a direct substitute for the ICL7660 family.
  • MAX1044 --: Drop-in equivalent charge-pump voltage converter offering the same inversion/doubling capability and compatible pinout, a common second-source replacement.
  • TC7660 --: Direct functional equivalent of the ICL7660 charge-pump converter with matching pinout and electrical characteristics, suitable as a lower-cost alternative.
  • LTC1044A --: Pin-compatible switched-capacitor voltage converter with similar function and wide supply range, a well-known drop-in alternative.

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