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【英飞凌】ICE2xxx开关模式电源

消耗积分:0 | 格式:pdf | 大小:943KB | 2014-07-28

孔令双

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开关电源
The second generation CoolSET™-F2 provides several special enhancements to satisfy the needs for low power standby and protection features。 In standby mode frequency reduction is used to lower the power consumption and support a stable output voltage in this mode。The frequency reduction is limited to 20kHz/21.5 kHz to avoid audible noise。 In case of failure modes like open loop， overvoltage or overload due to short circuit the device switches in Auto Restart Mode which is controlled by the internal protection unit。By means of the internal precise peak current limitation， the dimension of the transformer and the secondary diode can be sized lower which leads to more cost effective for the overall system。
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