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CAPZero-3数据表

更新时间：2019-09-26 15:02:16 大小：770K 上传用户：21ic子站宣传员查看TA发布的资源 标签：CAPZero-3 下载积分：0分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

资料介绍

CAPZero-3数据表：零损耗自动X电容器快速放电IC


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文件名 大小
capzero-3_family_datasheet.pdf 770K

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CAP300DG  
CAPZero™-3  
Zero1 Loss Automatic X Capacitor Rapid Discharge IC  
Product Highlights  
• Meets IEC 60335 X capacitor discharge of <34 V in <1 sec  
• One part to cover X capacitor values from 100 nF to 6 mF  
• Blocks current through X capacitor discharge resistors when AC  
voltage is connected  
• Automatically discharges X capacitors through discharge resistors  
when AC is disconnected  
• Simplifies EMI filter design – larger X capacitor allows smaller  
inductive components with no change in consumption  
• Only two terminals – meets safety standards for use before or after  
system input fuse  
R1  
D1  
D2  
MOV  
and Other  
EMI Filter  
Components  
AC  
X Capacitor  
CAP300DG  
•
>4 mm creepage on package and PCB  
R2  
• Self supplied – no external bias required  
PI-7507a-030819  
• High common mode surge immunity – no external ground connection  
• High differential surge withstand – 1000 V internal MOSFETs  
• NEMKO and CB certification pending  
Figure 1. Typical Application – Not a Simplified Circuit.  
EcoSmart™– Energy Efficient  
• <5 mW consumption at 230 VAC for all X capacitor values  
Component Table  
Total  
Applications  
• All AC-DC converters with X capacitors of 100 nF up to 6 mF  
• Appliances requiring ErP Lot 6 compliance  
• Adapters requiring ultra low no-load consumption  
• All converters requiring very low standby power  
• Lossless generation of zero crossing signal  
Total Series  
Resistance2  
(R1 + R2)  
Product3  
BVDSS  
X Capacitance  
CAP300DG  
1000 V  
100 nF to 6 mF  
54 kW Minimum  
Table 1. Component Table.  
Notes:  
Description  
1. IEC 62301 clause 4.5 rounds standby power use below 5 mW to zero.  
2. Values are nominal. RC time constant is <1 second.  
3. Packages: D: SO-8.  
When AC voltage is applied, CAP300DG blocks current flow in the  
X capacitor safety discharge resistors, reducing the power loss to less  
than 5 mW, or essentially zero1 at 230 VAC. When AC voltage is  
disconnected, CAP300DG automatically discharges the X capacitor by  
connecting the series discharge resistors. This operation allows total  
flexibility in the choice of the X capacitor to optimize differential mode  
EMI filtering and reduce inductor costs, with no change in power  
consumption.  
Designing with CAP300DG is simply a matter of selecting the appropri-  
ate external resistor values for the X capacitor value being used to  
achieve the necessary time constant. The simplicity and ruggedness of  
the two terminal CAP300DG IC makes it an ideal choice in systems  
designed to meet ErP Lot 6 requirements.  
Figure 2. SO-8 D Package.  
August 2019  
This Product is Covered by Patents and/or Pending Patent Applications.  

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