X 电容自动放电芯片, CAP300DG替代型号推荐 ME8701.
ME8701
ME8701.pdf
ME8701.pdfFEATURES
? 内置 1000V MOSFET
? AC 电压接入后阻止 X 电容放电
? AC 电压断电后通过放电电阻对 X 电容放电
? 功率损耗<5mW@230VAC
? X 电容容值灵活调节，简化 EMI 滤波电路设计
? 自供电，无需外部偏置
? 两端子结构，满足安规标准
? 内部限制最大放电电流
PIN CONFIGUTION
优势替代
FEATURES
? Provides lossless ZC (Zero Crossing) signal to system MCU
? Meets IEC 60335 X capacitor discharge of <34 V in <1 sec
? One part to cover X capacitor values up 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
? >4 mm creepage on package and PCB
? Self supplied – no external bias required
? High common mode surge immunity – no external ground
connection
? High differential surge withstand – 1000 V internal MOSFETs
? NEMKO and CB certification
PIN CONFIGUTION
