嗨，
Vds（st）是内部电流发生器可以维持的最大直流电压，用于操作VIPer22A的启动。因此，如果启动时漏极引脚上的电压超过400V，则VIPer22A无法正常启动，ST无法保证该器件。在开关模式下，VIPer22A的最大击穿电压为730V。
在这种情况下，我建议使用VIPer27L / H，它在启动和开关模式下都具有800V的击穿电压。
以上来自于谷歌翻译
以下为原文
Hi,
Vds(st) is the maximum DC voltage that can be sustained by the internal current generator which operates the start-up of VIPer22A. So, if the voltage on the drain pin at start-up exceeds 400V, VIPer22A cannot start properly and ST does not guarantee the device. While in switching mode the maximum breakdown voltage of VIPer22A is 730V.
In this case I suggest to use VIPer27L/H which features 800V as breakdown voltage, both at start-up and in switching mode.
嗨，
Vds（st）是内部电流发生器可以维持的最大直流电压，用于操作VIPer22A的启动。因此，如果启动时漏极引脚上的电压超过400V，则VIPer22A无法正常启动，ST无法保证该器件。在开关模式下，VIPer22A的最大击穿电压为730V。
在这种情况下，我建议使用VIPer27L / H，它在启动和开关模式下都具有800V的击穿电压。
以上来自于谷歌翻译
以下为原文
Hi,
Vds(st) is the maximum DC voltage that can be sustained by the internal current generator which operates the start-up of VIPer22A. So, if the voltage on the drain pin at start-up exceeds 400V, VIPer22A cannot start properly and ST does not guarantee the device. While in switching mode the maximum breakdown voltage of VIPer22A is 730V.
In this case I suggest to use VIPer27L/H which features 800V as breakdown voltage, both at start-up and in switching mode.
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