TL3842BDR-8

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

TL3842BDR-8 Application Field and Working Principle

TL3842BDR-8, member of a family of Trans Linear integrated circuits, is a DC-DC switching controller that provides accurate current and voltage regulation for use with a power switch. As a DC-DC switching controller, TL3842BDR-8 can be used to regulate the output voltage from a DC power supply, converting power from one DC voltage to another. It is suited for use in voltage converters, DC-DC power supply, battery chargers, and power supplies, as well as any other DC-DC conversion application.

Features

TL3842BDR-8 is designed to provide powerful, accurate current and voltage regulation in DC-DC converters. It has a maximum output current of 10mA and a high-impedance current sense input to sense the current draw. This gives the user greater flexibility when selecting the inductors and capacitors for their particular application.

The traditional current mode control offers a fast current gain and an even faster voltage-following loop for stable operation, as well as a high-threshold output voltage control. The user can adjust the output voltage via the pin connection, allowing for a wide range of applications.

TL3842BDR-8 also provides an overtemperature protection feature, preventing it from over-heating and leading to instability when used in higher current applications. It also comes with an integrated ESD protection and an internal soft-start circuit to decrease inrush current, allowing the user to control the startup of the power supply.

Working Principle

The TL3842BDR-8 is a DC-DC switching controller that provides efficient and accurate current and voltage regulation. Its principle of operation is based on a current-mode-control loop, which is then combined with an adjustable voltage-following loop. In current-mode-control, a high-impedance current sense input is used to monitor the current draw, and this is then fed back to the controller. The output of the current-sensing loop is used to control the voltage output from the device.

The TL3842BDR-8 also utilizes an adjustable voltage-following loop to ensure a stable output voltage. This loop is combined with a high-threshold voltage controller, allowing for a wide range of output voltages to be set. The voltage-following loop is used to maintain a constant voltage output, and the high-threshold controller helps to prevent the device from over-shooting the desired voltage.

Finally, the device also incorporates an overtemperature protection feature and integrated ESD protection. This ensures that the device is protected from any over-heating, which can cause instability, and also helps to protect it from any electrostatic discharges that may be present in the environment.

Conclusion

TL3842BDR-8 is a DC-DC switching controller device that provides efficient, accurate current and voltage regulation. It utilizes a current-mode-control loop combined with an adjustable voltage-following loop to provide stable output voltage. It also provides overtemperature protection and ESD protection to ensure the device is reliable and safe to use.

TL3842BDR-8 is ideal for use in voltage converters, DC-DC power supplies, battery chargers, and power supplies. It offers flexibility, low power consumption and accuracy in DC-DC conversion applications, making it an invaluable tool for any engineer.

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