参数资料
型号: NCP1605FORWGEVB
厂商: ON Semiconductor
文件页数: 16/19页
文件大小: 0K
描述: EVAL BOARD FOR NCP1605FORWG
设计资源: NCP1605FORWGEVB BOM
NCP1605FORWGEVB Gerber Files
NCP1605 EVB Schematic
标准包装: 1
主要目的: AC/DC,主面和辅面,带 PFC
输出及类型: 1,隔离
输出电压: 19V
电流 - 输出: 8A
输入电压: 90 ~ 265VAC
稳压器拓扑结构: 正向转换器
频率 - 开关: 133kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: NCP1217,NCP1605
其它名称: NCP1605FORWGEVBOS
NCP1217, NCP1217A
Soft--Start (NCP1217A only)
The NCP1217A features an internal 1.0 ms soft--start
activated during the power on sequence (PON). As soon as
V CC reaches VCC OFF , the peak current is gradually
increased from nearly zero up to the maximum clamping
level (e.g. 1.0 V). This situation lasts during 1.0 ms and
further to that time period, the peak current limit is blocked
to 1.0 V until the supply enters regulation. The soft--start is
also activated during the Over Current Burst (OCP)
sequence. Every restart attempt is followed by a soft--start
activation. Generally speaking, the soft--start will be
activated when V CC ramps up either from zero (fresh
power--on sequence) or 5.6 V, the latchoff voltage occurring
during OCP. Figure 30 portrays the soft--start behavior. The
time scales are purposely shifted to offer a better zoom
portion.
Figure 30. Soft--start is activated during a startup sequence or an OCP condition
http://onsemi.com
16
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