包含谷底开关控制的 700 V 集成电源开关,用于 6 W 离线反激式转换器
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谷底开关转换器 (VSC) 总体上呈现出比开关频率固定的传统硬开关转换器更低的 EMI 和更高的功率转换效率。FSQ510(H 或 M)是一款集成式谷底开关脉宽调制 (VS-PWM) 控制器和SenseFET,专为进行谷底开关的离线开关电源 (SMPS) 而设计,只需最少的外部元件。VS-PWM 控制器包括一个集成式振荡器、欠压闭锁 (UVLO)、前沿消隐 (LEB)、优化的栅极驱动器、内部软启动、用于环路补偿的温度补偿式精密电流源,以及自我保护电路。与分立式 MOSFET 和 PWM 控制器解决方案相比,FSQ510(H 或 M)既可减少总成本、元件数量、尺寸和重量,同时又能提高效率、生产力和系统可靠性。该器件提供了一个平台,适合设计高性价比的谷底开关反激式转换器。
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ON Target
Control Mode
fsw Typ (kHz)
fJitter Typ (%)
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Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
3000
N
Current Mode
Variable
-
-
28
700
320
Yes
-
Yes
Yes
-
-
No
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Pb
A
H
P
PDIP7 MINUS PIN 6 GW
3
250
REEL
1000
N
Current Mode
Variable
-
-
28
700
320
Yes
-
Yes
Yes
-
-
No
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可靠性数据
Die Related Summary Data
Device: FSQ510
Equivalent to wafer fab process: 64
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
64
2
525809712
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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.)