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NCP1129 提供了构建可靠紧凑的 AC-DC 开关电源所需的一切功能,且周边元件极少。使用 NCP1129 构建的转换器结合了雪崩额定电压为 650 V 的 MOSFET,可以针对国际条件进行安全设计,而不会危害总体可靠性。NCP1129 实施了峰值电流模式控制和可调斜坡补偿,可确保连续导通模式 (CCM) 运行下的稳定性。最大峰值电流可使用外部电阻调节,使得设计人员能够增加斜坡补偿来稳定 CCM 电源。短路故障条件从辅助绕组电压进行独立检测,因此可使用真正的过载检测改善短路保护。源引脚提供对于 MOSFET 源的访问,实现过功率补偿。该开关供电范围高达 26 V,还提供带抖动的 65 kHz 或 100 kHz 开关频率,在峰值电流模式控制下运行。当辅助侧功率开始降低时,该开关将其开关频率自动折回至最低 26 kHz 的水平。当功率进一步下降时,该零部件进入跳过周期,同时对峰值电流进行限制。
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Reference Price
NCP1129AP100G
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
Current Mode
100
+/-5% of FSW
Yes
2
650
0
Yes
0
8.8
Yes
No
No
Yes
Price N/A
More Details
NCP1129AP65G
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
Current Mode
65
+/-5% of FSW
Yes
2
650
0
Yes
0
8.8
Yes
No
No
Yes
Price N/A
More Details
NCP1129BP100G
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
Current Mode
100
+/-5% of FSW
Yes
2
650
0
Yes
0
8.8
Yes
No
No
No
Price N/A
More Details
NCP1129BP65G
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
Current Mode
65
+/-5% of FSW
Yes
2
650
0
Yes
0
8.8
Yes
No
No
No
Price N/A
More Details
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可靠性数据
Die Related Summary Data
Device: NCP1129BP100G
Equivalent to wafer fab process: ONC25
产品技术
产品技术
等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
ONC25
1
2712519294
More Details
Re-calculate Data
Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)