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AN3372 데이터시트(PDF) 22 Page - STMicroelectronics

부품명 AN3372
상세설명  This note describes digital ballast for 70 W HID lamps
PDF  37 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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AN3372 데이터시트(HTML) 22 Page - STMicroelectronics

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ST7 microcontroller application pin use
AN3372
22/37
Doc ID 018625 Rev 1
Figure 13.
PFC Vout sense. Resistor divider
●
Pin 15: MCU analogue input PB1 (AIN1) used for PFC Vlamp+ measurement
●
Pin 16: MCU analogue input PB2 (AIN2) used for PFC Vlamp- measurement.
Figure 14.
PFC Vlamp measurements. Resistor dividers
The lamp voltage feedback signal is obtained directly connecting a resistor divider to the
lamp. It is designed to obtain a voltage on Vlamp- and Vlamp- compatible with 5 V MCU
voltage.



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