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DC/DC Power Management IC
Digital Controller
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AC/DC Power Management IC
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S4422B
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Sketch
S4422B系列芯片是开关调色温的专用芯片,内置两个40V的MOS管,简化了外围电路结构。该系列芯片采用成熟的电流检测技术判断开关机状态,确保多个电源同时应用时的状态一致性。 S4422B系列可以使用在隔离反激或Buck结构中,也可以搭配阻容电源实现开关调色,使用方便。
Advantage
三段开关调色:L1-L2-(L1+L2)/2
内置40V开关管,无需外挂开关管
外围简洁,空载电压60V内无需供电电阻
内置计时器,保证保持时间的一致性
兼容隔离、非隔离及阻容等3~7W 小功率应用
Application area
开关调色温LED 驱动电源
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