The ICL7660 is a high-efficiency charge pump DC-DC voltage converter IC designed to generate negative voltage or double/halve supply rails without the need for inductors. Operating over a wide input voltage range of 1.5V to 10V, it provides superior voltage flexibility and efficiency compared to traditional linear regulation methods and lower-range converter ICs.
This device utilizes advanced switched-capacitor charge pump technology, enabling reliable voltage inversion or doubling with minimal external components. Its internal oscillator and switching network ensure stable conversion with low ripple and consistent output performance. The design eliminates the need for bulky inductors, reducing overall system size and improving PCB layout efficiency.
The Xinbole ICL7660 delivers excellent power efficiency and low quiescent current, making it ideal for battery-powered and low-power electronic systems. Its fast switching operation enhances conversion stability while maintaining low power loss, contributing to improved thermal performance and long-term reliability.
Available in DIP and SOP package options, the ICL7660 offers flexible integration for both prototyping and compact surface-mount designs. This versatility makes it suitable for a wide range of analog and digital circuit applications requiring dual or negative supply voltages.
Compared to lower-efficiency voltage conversion solutions, the ICL7660 provides improved energy efficiency, compact design advantages, and reliable voltage conversion performance across varying load conditions.
Key Features
- Wide operating voltage range: 1.5V to 10V
- Charge pump voltage inverter/doubler IC
- No inductor required (capacitor-based design)
- Low quiescent current for battery efficiency
- Stable switching with low output ripple
- Fast switching technology for efficient conversion
- Excellent thermal performance and reliability
- Available in DIP and SOP package options
Applications
- Negative voltage generation circuits
- Operational amplifier power supplies
- Battery-powered electronic devices
- Signal conditioning circuits
- Portable instrumentation systems
- Analog and mixed-signal systems
- LCD and display bias circuits
- Low-power embedded electronics systems
