ICL7660CSA

The ICL7660CSA is a monolithic charge pump voltage converter IC that provides an inverted negative voltage from a positive voltage source.This IC is designed to generate a negative output voltage from a positive input voltage,eliminating the need for additional negative power supplies in certain applications.

Pinout

(Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.)

• C1-: External Capacitor 1 Negative Terminal
• C1+: External Capacitor 1 Positive Terminal
• C2-: External Capacitor 2 Negative Terminal
• C2+: External Capacitor 2 Positive Terminal
• VOUT: Negative Output Voltage
• GND: Ground Connection
• V+IN: Positive Input Voltage
• V-OUT: Positive Output Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ICL7660CSA for a visual representation.

Key Features

• Monolithic Charge Pump: The ICL7660CSA integrates a monolithic charge pump voltage converter,providing a cost-effective and space-saving solution for voltage inversion.
• Low Quiescent Current: This IC features low quiescent current,making it suitable for battery-powered applications and energy-efficient designs.
• Output Overload Protection: The ICL7660CSA includes output overload protection to safeguard the device and connected circuitry from damage.
• Wide Operating Voltage Range: This IC can operate with a wide input voltage range,adding to its versatility and compatibility with various systems.

Note:For detailed technical specifications,please refer to the ICL7660CSA datasheet.

Application

• Battery-Powered Systems: The ICL7660CSA is ideal for generating negative supply voltage in battery-powered systems,eliminating the need for an additional negative power source.
• Signal Conditioning: This IC can be used for signal conditioning and biasing in analog circuits and sensor interfaces.
• Power Supply Design: The ICL7660CSA is suitable for generating negative supply rails in power supply designs for mixed-signal ICs.

Functionality

The ICL7660CSA serves as a monolithic charge pump voltage inverter,providing a convenient and efficient method for generating a negative output voltage from a positive input voltage source.Its low quiescent current and wide operating range make it a versatile choice for various applications.

Usage Guide

• Power Supply: Connect V+IN(Pin 7) to the positive input voltage source and GND(Pin 6) to ground.
• Capacitor Connections: Connect external capacitors C1 and C2 to the respective C1+(Pin 2),C1-(Pin 1),C2+(Pin 4),and C2-(Pin 3) terminals.
• Output Voltage: The inverted negative output voltage is available at the VOUT(Pin 5) pin.

Frequently Asked Questions

Q:What is the maximum input voltage supported by the ICL7660CSA?
A:The ICL7660CSA can support a maximum input voltage range specified in the datasheet.Additionally,external protective measures may be considered for voltages exceeding the specified range.

Q:Can the ICL7660CSA be used to power Op-Amps and other analog ICs?
A:Yes, the ICL7660CSA is commonly used to generate negative supply voltage for biasing and signal conditioning in analog circuits,including op-amps and other analog ICs.