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此带功率 MOSFET 的高度集成 PWM 控制器 FLS3217 具有多种功能,可提高低功耗反激转换器的性能。该专利拓扑结构简化了 LED 照明应用的电路设计。LED 照明板采用单级拓扑结构和初级侧调节,以极少数外部组件和最低的成本即可实施;不需要输入降压电容器或反馈电路。为实现良好的功率因数和低 THD,可通过将外部电容器连接至 COMI 来利用恒定导通时间控制。精准恒定电流控制器根据输入电压和输出电压的变化调节精确的输出电流。运行频率与输出电压成比例变化,可保证 DCM 运行,且能效更高,设计更简单。FLS3217 提供开路 LED、短路 LED和超温保护等保护功能。电流限制电平会自动降低,以在短路 LED 状况下尽可能减少输出电流,保护外部组件。
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MSL Type
MSL Temp (°C)
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VI Min (V)
VI Max (V)
VO Max (V)
IO Max (mA)
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Reference Price
FLS3217M
Obsolete
Pb
A
H
P
SOIC-7
3
260
REEL
2500
N
PSR Flyback
17.5
700
700 VBVDS
13 Ω - RDSON
65
Price N/A
More Details
FLS3217N
Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
3000
N
PSR Flyback
17.5
700
700 VBVDS
8.8 Ω - RDSON
65
Price N/A
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可靠性数据
Die Related Summary Data
Device: FLS3217M
Equivalent to wafer fab process: AC,CN
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
AC,CN
0
105212959
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.)