参数资料
型号: NCP1027ATXGEVB
厂商: ON Semiconductor
文件页数: 14/30页
文件大小: 0K
描述: BOARD EVAL NCP1027 10W STANDBY
设计资源: NCP1027ATXGEVB Schematic
NCP1027ATXGEVB Test Procedure
NCP1027ATXGEVB Bill of Materials
标准包装: 1
主要目的: AC/DC,主面
输出及类型: 1,非隔离
功率 - 输出: 10W
输出电压: 5V
电流 - 输出: 2A
输入电压: 85 ~ 265VAC
稳压器拓扑结构: 回扫
频率 - 开关: 65kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: NCP1027
其它名称: NCP1027ATXGEVB-ND
NCP1027ATXGEVBOS
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) .
http://onsemi.com
14
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