参数资料
型号: NCP1605LCDTVGEVB
厂商: ON Semiconductor
文件页数: 14/30页
文件大小: 0K
描述: BOARD EVAL NCP1605/1396
设计资源: NCP1605LCDTVGEVB Schematic
NCP1605LCDTVGEVB Gerber Files
NCP1605LCDTVGEVB Bill of Materials
标准包装: 1
系列: *
NCP1027
In Figure 27, one can see that the V CC is still alive,
testifying for a badly coupled power secondary and
primary auxiliary windings. Some situations exist where an
output short-circuit make the auxiliary winding collapse
before the timer completion. In this particular case, the
Undervoltage Lock Out (UVLO) circuitry has the priority
and safely cuts off all driving pulses. Figure 28 describes
this variation.
Figure 28. The auxiliary winding collapses in presence of a short-circuit. Pulses are immediately stopped
as V CC crosses the minimum operating voltage, VCC (min) .
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