Transcription of NCP4304 - Secondary Side Synchronous …
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NCP4304A, NCP4304B. Secondary side Synchronous Rectification Driver for High Efficiency SMPS Topologies The NCP4304A/B is a full featured controller and driver tailored to control Synchronous rectification circuitry in switch mode power supplies. Due to its versatility, it can be used in various topologies such 8. as flyback, forward and Half Bridge Resonant LLC. 1 1. The combination of externally adjustable minimum on and off times SOIC 8 DFN8. helps to fight the ringing induced by the PCB layout and other D SUFFIX MN SUFFIX. parasitic elements. Therefore, a reliable and noise less operation of the CASE 751 CASE 488AF. SR system is insured. The extremely low turn off delay time, high sink current capability MARKING DIAGRAMS. of the driver and automatic package parasitic inductance 8. compensation system allow to maximize Synchronous rectification 4304x NCP.
NCP4304A, NCP4304B www.onsemi.com 2 Figure 1. Typical Application Example – LLC Converter Figure 2. Typical Application Example − DCM or QR Flyback Converter
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