LT1249CN8#PBF

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PMIC - PFC (Power Factor Correction) is a passive electronic component made up of semiconductor and capacitors, which is used for correcting power factor of AC power supply. LT1249CN8#PBF is one kind of MOSFET which is a type of power factor correction component.

In the application of AC power supply,it is required to adjust the power factor from its preset to meet the load requirements.It could both optimize the load current so as to reduce the power loss and increase the utilization of the power line transmission capacity. Before this procedure, it is necessary to install a power factor correction component in the AC power supply circuit.

LT1249CN8#PBF is one of the components of the MOSFETs,and it belongs to the field of power factor correction.It is a three-terminal power MOSFETs,and then its composite frame of multiple terminals is connected to the power line with its own gate, drain and source terminal.

The applied physical principle of LT1249CN8#PBF is that the positive and negative voltage gives rise to the channel enabled current in the MOSFET channel region,the channel disabled current in the MOSFET channel region,the reverse current in the drain source channel , thus forming a MOSFET-controlled AC/DC main circuit. And at the moment it could complete the switching of the load current.

Together with the rectifier diode,the circuit forming operation of LT1249CN8#PBF is basically been formed .During the working state, when the main circuit current has a larger time lag than the voltage, the power factor will be low. Therefore,in order to enhance the power factor, the gate current is adjusted appropriately, so that the conduction state of the MOSFET can be controlled.

LT1249CN8#PBF is applicable to the universal AC power adapter, or power amplifier, or soft and hard switch power supply and other fields. In these fields the correct specification of LT1249CN8#PBF is necessary to fulfill the power factor correction filtration. So it is a very important part in the power factor correction application.

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