ICL7660CSA

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The ICL7660CSA is a monolithic CMOS voltage converter designed to convert positive and negative supply voltages to a single positive output. It is a popular device among electronic engineers as it is widely used for DC-DC switching applications as a result of its excellent efficiency and low-noise output. In this article, we will discuss the application field and working principle of the ICL7660CSA.

Application Field

The ICL7660CSA is a versatile device that is used for many different applications such as low-power DC and AC battery chargers, regulated and adjustable DC power supplies, AC-to-DC power adapters, DC and AC/DC power conditioning and protection circuits, as well as other types of DC/DC conversion applications. Its outputs are compatible with low-impedance loads, making it suitable for powering logic and other sensitive circuits. Additionally, it is convenient to use in a wide array of voltage conversion applications due to its wide operating range of 6V to 16V and its low quiescent current of 18mA. It can also be used in applications that require low power dissipation.

Working Principle

The ICL7660CSA is a voltage converter for converting positive and negative supply voltages to a single positive output. It is based on a switching regulator topology and uses a voltage-to-current converter, where the input voltage is converted to a current sensing signal and then fed to an integrator to create an internal voltage error signal. This error signal drives a high-speed switch, which is controlled by an internal error amplifier. The high-speed switch can maintain a constant output despite varying input and load conditions. It also features frequency compensation, improving the device\'s transient response time, making it ideal for applications that require high efficiency and low noise. Additionally, it is designed with an internal charge-pump circuit, which is used to generate the negative supply voltage necessary for the voltage conversion. This ensures that the output is always powered by a reliable supply even during unstable input conditions.

Conclusion

The ICL7660CSA is a highly efficient voltage converter designed for converting positive and negative supply voltages to a single positive output. It is a popular device among electronic engineers due to its wide operating range and low quiescent current level. It is used in a wide range of voltage conversion applications, such as low-power DC and AC battery chargers, AC-to-DC power adapters, and DC and AC/DC power conditioning and protection circuits. It is based on a switching regulator topology and uses a voltage-to-current converter, which is coupled with an internal error amplifier to create the necessary feedback control loop. It also features an internal charge-pump circuit, which is used to generate the negative supply voltage necessary for the voltage conversion. With its excellent efficiency and low-noise output, the ICL7660CSA is a perfect choice for various DC/DC conversion applications.

The specific data is subject to PDF, and the above content is for reference