绿色模式安森美半导体降压开关
Obsolete
FSL3276ALR 集成了脉宽调制 (PWM) 控制器和 SenseFET,专门为高性能离线降压、降压-升压和非分立反激开关模式电源 (SMPS) 而设计,且外部部件数量极小。此器件集成了一个高电压电源稳压器,可实现无辅助偏置绕组的运行。内部跨导放大器减少了用于反激补偿电路的外部组件。集成的 PWM 控制器包括: 实现无外部偏置电路的 10 V 稳压器、 欠压锁定 (UVLO) 保护、前缘间隔 (LEB)、优化的门极开/关驱动器、EMI 衰减器、高温关断 (TSD) 保护,用于回路补偿温度补偿精确电流源,以及故障保护电路。保护包括: 过载保护 (OLP)、过电压保护 (OVP)、反馈开路保护 (OFLP),以及异常过电流保护 (AOCP)。FSL3276ALR 提供启动期间优秀的软启动性能。内部高电压启动开关和带有极低运行电流的突发模式运行降低了待机模式下的功率损耗。因此,输入电压为 230 VAC 时,可以在无外部偏置的情况下实现 120 mW 的功耗,外部偏置的情况下为 25 mW。
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Case Outline
MSL Type
MSL Temp (°C)
Container Type
Container Qty.
ON Target
Control Mode
fsw Typ (kHz)
fJitter Typ (%)
Stand-by Mode
RDS(ON) Typ (Ω)
V(BR)DSS Max (V)
IPeak (mA)
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DSS (mA)
UVLO
Short Circuit Protection
Over Power Compensation
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Latch
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Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
3000
N
Current Mode
50
-
-
20
650
300
Yes
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Yes
Yes
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-
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可靠性数据
Die Related Summary Data
Device: FSL3276ALRN
Equivalent to wafer fab process: 34,3C
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
34,3C
0
192215157
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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.)