Simple Conversion of 5V Logic Supply to ±5V Supplies The ICL7660CBAZ-T is a voltage converter IC manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** INTERSIL (now Renesas Electronics)
- **Part Number:** ICL7660CBAZ-T
- **Type:** Switched Capacitor Voltage Converter
- **Operating Voltage Range:** 1.5V to 10V
- **Output Voltage:** Negative voltage equal in magnitude to the input voltage (inverts input voltage)
- **Output Current:** Up to 40mA (depending on input voltage)
- **Switching Frequency:** ~10kHz (adjustable with external capacitor)
- **Package:** SOIC-8
- **Operating Temperature Range:** 0°C to +70°C
- **Efficiency:** Typically 99% (ideal conditions)
- **Low Power Consumption:** Typically 0.2mA (no load)
### **Descriptions:**
- The ICL7660CBAZ-T is a monolithic CMOS voltage converter that generates a negative voltage from a positive input supply.
- It operates as a charge pump, using external capacitors to invert the input voltage.
- It is commonly used in applications requiring a simple, low-power negative voltage supply.
### **Features:**
- **Voltage Inversion:** Converts +1.5V to +10V input to a corresponding negative output.
- **Low Power Consumption:** Ideal for battery-powered applications.
- **No Inductors Required:** Uses only external capacitors for operation.
- **Wide Operating Voltage Range:** Supports 1.5V to 10V input.
- **Adjustable Oscillator Frequency:** Allows optimization for efficiency or noise reduction.
- **Simple External Components:** Requires only two capacitors for basic operation.
- **Pin-Compatible with Industry Standards:** Drop-in replacement for similar charge pump ICs.
This information is based solely on the manufacturer's datasheet and technical documentation.
