LN9901-R力生美x电容泄放芯片-LN9901规格书参数_骊微电子.pdf
《LN9901-R力生美x电容泄放芯片-LN9901规格书参数_骊微电子.pdf》由会员分享,可在线阅读,更多相关《LN9901-R力生美x电容泄放芯片-LN9901规格书参数_骊微电子.pdf(11页珍藏版)》请在文库网上搜索。
1、 LiiSemiconductorInc.1 DS-02051-B-EN LN9901 X-capacitor Automatic Discharge Controller IC http:/ 1.Feature Designed for 0 power consumption X capacitor discharge circuit*Built-in bidirectional current automatic exhaust passage The application system supports 0.16.8uF X capacitor High isolation struc
2、ture design,pin redundancy Self-safe isolation distance exceeds 4mm Self-powered design,no external equipment dependencies required No need for high common mode capability without additional ground connection Internal integrated switch withstand voltage up to 950V The circuit can be directly connect
3、ed in parallel with the X capacitors on both sides.Can be safely applied before or after the fuse Meet global X capacitor discharge safety requirements The ideal choice for energy efficient systems Power consumption is less than 5mW for all applicable X capacitors TUV and CB IEC62368 certified and c
4、ertified 2.Application Switching power supply Household appliances Various systems with X capacitors 3.Description The LN9901 is an automatic discharge controller IC specifically designed for X-capacitor systems.The chip has a highly reliable AC power calibration system that automatically discharges
5、 the X capacitor after the system is powered down,making it a safety requirement.The voltage is discharged below the allowable voltage,and automatically remains off during normal operation,and the power consumption is maintained at no more than 5mW to realize a zero-power X-capacitor system.The buil
6、t-in high-voltage switch supports up to 6.8uF X-capacitor discharge operation.In use,it is only necessary to use the corresponding resistors in series on both sides of the chip,so that a larger X capacitor can be used in a general system to reduce the use.Large inductance reduces system cost.The red
7、undant pin design keeps the system effective when either pin is open,ensuring robust safety.A safe isolation distance of up to 4mm does not limit the safety features of the system design and meets various altitude requirements.Halogen-free SOP8 green packaging is available.*:IEC 62301 clause 4.5 def
8、ines standby power below 5 mW as zero power.LiiSemiconductorInc.2 DS-02051-B-EN LN9901 http:/ 澎湃驱动力 源于力生美 4.Internal functional block diagram 5.Pin definition 6.Pin function description Pin No.Pin Name Pin Function Description 2/3 X1 Discharge switch pin 1,Non-directional with 6/7,but according to s
9、afety regulations,2/3 must be connected at the same time 6/7 X2 Discharge switch pin 2,Non-directional with 2/3,but according to safety regulations,6/7 must be connected at the same time 1/4/5/8 NC Empty foot,no connection internal,1/4 can be connected with 2/3,5/8 can be connected with 6/7 Fig2.Pin
10、 definition Fig1.Internal functional block diagram SOP8 LiiSemiconductorInc.3 DS-02051-B-EN LN9901 http:/ 澎湃驱动力 源于力生美 7.Typical connection diagram Note:For X capacitors from 0.1uF to 6.8uF,the recommended total resistance of R1R4 is 6.8M120K,so that the discharge time constant is less than 1s*.Warni
11、ng Must strictly observe the following two points when using:1)When installing this component,all requirements of the mentioned standard must be fulfilled;2)It is built-in component and suitable enclosure should be provided in end system.Note*:1.Article 4.5 of IEC 62301 specifies that the standby po
12、wer is less than 5 mW is zero power consumption.2.General requirement.The RC time constant needs to be less than 1 second.Fig3.Typical connection diagram LN9901 LiiSemiconductorInc.4 DS-02051-B-EN LN9901 http:/ 澎湃驱动力 源于力生美 8.Maximum parameter*Parameter Rating Unit Pin input voltage+950V -950V*V Pin
13、maximum current 5 mA Min/Max Operation Junction Temperature TJ -40 to+150 Min/Max Operating Ambient Temperature Ta-10 to+105 Min/Max Storage Temperature Tstg-55 to+150 PD allows average power dissipation 600*mW Note*:Stresses beyond those listed under“absolute maximum ratings”may cause permanent dam
14、age to the device.These are stress ratings only,functional operation of the device at these or any other conditions beyond those indicated under“recommended operating conditions”is not implied.Exposure to absolute maximum-rated conditions for ex tended periods may affect device reliability.*:with 1m
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ln9901 力生美 电容 芯片 规格书 参数 微电子