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The MK91808H is a compact secondary side synchronous rectifier controller and driver for high performance flyback converters. It is optimized for both ACF and high frequency QR. It is compatible with DCM, CCM and QR operations. The MK91808H generates its own supply while used in high-side rectification, which eliminates the need of external supply generated by auxiliary winding of the transformer. The extremely low 10ns turn?off propagation delay time and high sink current (~4A) capability of the driver improve SR VDS stress at CCM mode. The unique VG clamping circuit works well to prevent VG from turning on by fast rising at VD pin with no VCC, that avoids the shoot through between primary side and secondary side during system startup even if the SR VCC is still below 2V.
器件類目 | 產(chǎn)品型號(hào) |
封裝 |
環(huán)境溫度 |
是否在產(chǎn) | 應(yīng)用 | 絲印 |
整流二極管 | MK91808H |
SOT23-6 |
- |
是 |
手機(jī)/筆記本電腦高功率密度交流/直流適配器
|
91808 |
原裝現(xiàn)貨,技術(shù)選型
云倉(cāng)現(xiàn)貨,快速配送
品類齊全,性能優(yōu)良
工廠直銷,樣品申請(qǐng)