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AN3063 bảng dữ liệu(PDF) 22 Page - STMicroelectronics

tên linh kiện AN3063
Giải thích chi tiết về linh kiện  100 W transition-mode PFC pre-regulator with the L6563H
PDF  33 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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AN3063 bảng dữ liệu(HTML) 22 Page - STMicroelectronics

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Test results and significant waveforms
AN3063
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Doc ID 16261 Rev 3
The event of an open loop is captured in
Figure 30 and 31. We can notice the protection
intervention, latching the operation of the L6563H. As highlighted in
Figure 31 the L6563H is
supplied by the HVS circuit, maintaining Vcc value above its UVLO threshold. As mentioned
previously, to restart the system, the input power must be recycled.
Figure 29.
EVL6563H-100W load transient at
115 Vac, 60 Hz, full load to no load
CH1: PFC output voltage
CH2: PFC_OK (pin #7)
CH3: gate drive (pin #15)
CH4: Iout
Figure 30.
EVL6563H-100W open loop at 115
Vac, 60 Hz, full load
Figure 31.
EVL6563H-100W open loop at 115
Vac, 60 Hz, full load, long
acquisition
CH1: PFC output voltage
CH2: Vcc (pin #16)
CH3: gate drive (pin #15)
CH4: PWM_LATCH (pin#8)
CH1: PFC output voltage
CH2: Vcc (pin #16)
CH3: gate drive (pin #15)
CH4: PWM_LATCH (pin#8)



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