ML4826CP2

Power factor correction (PFC) is a technique used to improve the functioning of power supplies and reduce power consumption from the utility grid. It is characterized by a high level of efficiency and reliability. The ML4826CP2 application field and working principle is used to optimize the performance of power supplies and optimize power efficiency.

Applications of ML4826CP2

ML4826CP2 is a highly advanced PFC controller, ideal for use in power supplies, equipment and systems that require correction of power factor or line regulation. It can be used in a wide range of applications, including server power supplies, desktop computers, laptops, UPS systems, LCD TVs, solar inverters, telecom power supplies and battery chargers. This controller can optimize the performance of power supplies with a max conversion efficiency over 95%.

Working Principle of ML4826CP2

The ML4826CP2 works by controlling the current output to the load by providing an accurately measured voltage reference. This voltage reference is then compared with an external voltage reference at the positive input of an operational amplifier. The output current is adjusted by controlling the duty cycle of the switching transistor so that the desired output current with respect to the voltage reference can be achieved. The current output is also monitored in order to ensure that the output current does not exceed the programmed limit. In addition, the ML4826CP2 also features an integrated temperature protection function which can shut down the power supply in case of over temperature.

The ML4826CP2 has two selectable control methods, which are current mode and voltage mode control. When using current mode control, the controller senses the voltage across a small resistor connected between the output of the power supply and ground. When using voltage mode control, the controller senses the current by measuring the voltage across a sense resistor which is connected between the output of the power supply and ground.

Conclusion

The ML4826CP2 is an advanced power factor correction controller designed to optimize the performance of power supplies. It is characterized by a high level of efficiency and reliability and can be used in a wide range of applications. The controller features two selectable control methods, current mode and voltage mode control. This integrated temperature protection function can ensure safe operation.