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AN4346 bảng dữ liệu(PDF) 11 Page - STMicroelectronics

tên linh kiện AN4346
Giải thích chi tiết về linh kiện  10 W wide range - high power factor - isolated LED driver using HVLED815PF
PDF  33 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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AN4346 bảng dữ liệu(HTML) 11 Page - STMicroelectronics

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AN4346
Measurement results
33
2
Measurement results
The HVLED815PF LED driver demonstration board has been tested using the following
instrumentation/load:
CHROMA® 61602
AC source
YOGOGAWA® WT210
wattmeter
Tektronix® DP07054 500 MHz
digital oscilloscope
Tektronix TCP0030
current probe
LeCroy PPE4kV 100:1 400 MHz
high voltage probe
KEITHLEY 2000
digital multimeter
Avio TVS-200 P
thermal video system
SEOUL SEMICONDUCTOR Z-POWER LED P4 LED series
2.1
Driver efficiency at nominal load
In Figure 5 is displayed LED driver efficiency versus the AC line voltage at a nominal load.
Figure 5. LED driver efficiency versus AC line voltage at nominal load
As shown in Figure 5 LED driver efficiency is up to 84%.



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