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AN2640 数据表(PDF) 23 Page - STMicroelectronics

部件名 AN2640
功能描述  Intelligent multipower digital ballast for fluorescent lamps
PDF  36 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN2640 数据表(HTML) 23 Page - STMicroelectronics

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AN2640
Recognition technique
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5.1
Code implementation on microcontroller
Figure 23.
Ballast operation sequence flowchart
Start
Oscillator Init
Port Init
Analog Comparator Init
ADC Init
Lite Timer Init
Auto Reload Timer Init
PFC Init
Is the lamp
connected?
Clear previous error information
Yes
No
Enable Interrupts
V
IN Recognize
Lamp Detection
Ballast Control
PFC Control



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