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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。FSQ系列是专为最少外部元件和交替谷底开关而设计的集成式脉宽调制(PWM)控制器和SenseFET。PWM控制器包括集成式固定频率振荡器、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精密电流源和自保护电路。与分立式MOSFET和PWM控制器解决方案相比,FSQ-series(H或M)既可减少总成本、组件数量、尺寸和重量,同时又能提高效率、生产力和系统可靠性。该器件具有非常适合以经济高效方式设计谷底开关反激转换器的基本平台。
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状态
CAD Models
Compliance
Package Type
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)
HV Start-up Min (V)
DSS (mA)
UVLO
Short Circuit Protection
Over Power Compensation
Brown-out
Latch
Reference Price
FSQ321
Obsolete
Pb
A
H
P
PDIP-8
NA
0
TUBE
3000
N
Current Mode
Variable
-
-
14
650
600
Yes
-
Yes
Yes
-
-
No
Price N/A
More Details
FSQ321L
Obsolete
Pb
A
H
P
PDIP-8 GW
3
250
TUBE
3000
N
Current Mode
Variable
-
-
14
650
600
Yes
-
Yes
Yes
-
-
No
Price N/A
More Details
FSQ321LX
Last Shipments
Pb
A
H
P
PDIP-8 GW
3
250
REEL
1000
N
Current Mode
Variable
-
-
14
650
600
Yes
-
Yes
Yes
-
-
No
Price N/A
More Details
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可靠性数据
Die Related Summary Data
Device: FSQ321LX
Equivalent to wafer fab process: 64,CE
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,CE
0
51896141
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.)