NCP4306 - Secondary Side Synchronous Rectification Driver ...

DATA Semiconductor Components Industries, LLC, 2017 January, 2022 Rev. 81 Publication Order Number: NCP4306 /DSecondary SideSynchronous RectificationDriver for High EfficiencySMPS TopologiesNCP4306 The NCP4306 is high performance Driver tailored to control asynchronous Rectification MOSFET in switch mode power to its high performance drivers and versatility, it can be used invarious topologies such as DCM or CCM flyback, quasi resonantflyback, forward and half bridge resonant combination of externally or fixed adjustable minimumoff-time and on-time blanking periods helps to fight the ringinginduced by the PCB layout and other parasitic elements. A reliable andnoise less operation of the SR system is insured due to the SelfSynchronization feature. The NCP4306 also utilizes Kelvinconnection of the Driver to the MOSFET to achieve high efficiencyoperation at full load and utilizes a light load detection architecture toachieve high efficiency at light precise turn off threshold, extremely low turn off delay timeand high sink current capability of the Driver allow the maximumsynchronous Rectification MOSFET conduction time and enablesmaximum SMPS efficiency.

• GaN Transistor Driving Capability • Low Startup and Disable Current Consumption • Maximum Operation Frequency up to 1 MHz • TSOP6, SOIC8, DFN8 4x4 and DFN8 2x2.2 Packages • This is a Pb−Free Device Typical Applications • Notebook Adapters • High Power Density AC / DC Power Supplies (Cell Phone Chargers) • LCD TVs

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