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SEN012DG-TL 参数 Datasheet PDF下载

SEN012DG-TL图片预览
型号: SEN012DG-TL
PDF下载: 下载PDF文件 查看货源
内容描述: 零损耗高电压检测信号断开集成电路 [Zero Loss High Voltage Sense Signal Disconnect IC]
分类和应用: 光电二极管
文件页数/大小: 8 页 / 1184 K
品牌: POWERINT [ POWER INTEGRATIONS, INC. ]
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SEN012-013
VCC
QA
UB
RA
2 kΩ
R1
10
D2
D1
VCC
OVP
C1
PFC IC
GND
C2
SENZero
GND
PI-6204-102510
Figure 13.
Typical Connection with PS
(ON)
Signal.
The figure above shows a typical VCC arrangement to satisfy
timing requirements.
Transistor QA is enabled during remote on condition. Capacitor
C2 will charge through D1 while C1 is charged through R1.
SENZero will turn on ahead of PFC IC. Diode D2 makes C2
voltage tracks C1 voltage. Capacitor C2 can be increased to
ensure that during turn-off, PFC turns-off first before SENZero.
Capacitors C1 and C2 can be 100 nF standard decoupling
capacitors. However, C1 needs to be ≥C2.
5
www.powerint.com
Rev. B 11/05/10