IRS2168DPBF

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

IRS2168DPBF Application Field and Working Principle

The IRS2168DPBF is a high performance integrated Off-Line Quasi-Resonant (QR) Flyback Controller designed for use in Flyback topologies. This controller is capable of generating output power levels of up to 300 Watts, making it a good choice for a variety of applications, including ballast controllers, lighting, and low power AC/DC converters.

The main features of this device include high power conversion efficiency, low cost, small form factor, and ease of use. It also offers several advanced protection features, including Over-Current Protection, Over-Voltage Protection, Inrush Current Elimination, and Under-Voltage Lock. All these features make it an ideal solution for many applications.

Application Field

The primary application field of IRS2168DPBF is for ballast controllers, lighting, and low power AC/DC converters. As previously mentioned, this controller can generate output power levels of up to 300 Watts, so it can be used for a variety of applications that require high power levels. Examples include LED drivers, HID lamps, dimmer circuits, and phase control circuits.

This controller can also be used for other types of applications, such as power supplies, UPS systems, and solar inverters. It is a very versatile controller that can handle a wide range of power levels, so it can be used for many different types of applications.

Working Principle

The basic working principle of IRS2168DPBF is to control the current flow in the primary windings of the transformer. The primary current is controlled by a feedback loop, similar to the one used in a pulse-width modulation (PWM) controller. The current is adjusted by the amount of time the switch is on, and when the current set point is reached, the switch is turned off.

The controller also monitors the output voltage of the transformer and switches the inductor off when the voltage exceeds a certain limit. This helps to protect the output from over-voltage conditions. The controller is also capable of detecting inrush current and limiting it to a safe level. This helps to protect the output from surge currents.

Finally, the controller features a low frequency quasi-resonant mode, which helps to reduce the overall system power consumption. This mode is activated when the load is light, and it helps to reduce the switching losses, which leads to increased efficiency.

Conclusion

In conclusion, the IRS2168DPBF is a high performance integrated Off-Line Quasi-Resonant (QR) Flyback Controller designed for use in Flyback topologies. It is capable of generating output power levels of up to 300 Watts, and it offers several advanced protection features. Furthermore, it is an ideal solution for many applications, including ballast controllers, lighting, and low power AC/DC converters. Lastly, it features a low frequency quasi-resonant mode, which helps to reduce the overall system power consumption.

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