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NCP1341 是一款高度集成的准谐振反激控制器,适用于设计高性能离线功率转换器。NCP1341 具有集成的有源 X2 电容器放电功能,可以实现低于 30 mW 的无负载功耗。准谐振电流模式反激级功能具有专属的谷锁闭电路,确保了稳定的谷开关。此系统可在低至第 6 个谷的情况下运行,并转换为频率折回模式以降低开关损耗。随着负载进一步降低,NCP1341 进入静音跳过模式来管理功率传递。NCP1341 集成了功率偏移模式 (PEM),可最大程度减小需要高瞬变负载功能设计中的变压器尺寸。如果不要求瞬变负载功能,NCP1340 则与不带 PEM 时的性能和功能相同。为了帮助确保转换器耐用性,NCP1341 实施了若干关键保护功能,如内部欠电压检测、在任何输入电压下保证恒定最大输出功率的非功耗过功率保护 (OPP)、通过专门引脚实现的锁存过电压和 NTC 就绪高温保护,以及线路去除检测,可在去除线路时对 X2 电容器进行安全放电。
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CAD Models
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Package Type
Case Outline
MSL Type
MSL Temp (°C)
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Container Qty.
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fsw Typ (kHz)
Stand-by Mode
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Reference Price
NCP1341A1D1R2G
Active
Pb
A
H
P
SOIC-9 NB
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
30
500 / 800
$0.4715
More Details
NCP1341B1D1R2G
Active
Pb
A
H
P
SOIC-9 NB
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
30
500 / 800
$0.4715
More Details
NCP1341B1DR2G
Obsolete
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
30
500 / 800
Price N/A
More Details
NCP1341B4D1R2G
Active
Pb
A
H
P
SOIC-9 NB
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
30
500 / 800
$0.4824
More Details
NCP1341B5D1R2G
Lifetime
Pb
A
H
P
SOIC-9 NB
1
260
REEL
2500
F
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
30
500 / 800
$0.4715
More Details
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可靠性数据
Die Related Summary Data
Device: NCP1341B1D1R2G
Equivalent to wafer fab process: VHVIC
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
VHVIC
2
2577173853
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.)