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AS1170 데이터시트(PDF) 24 Page - OSRAM GmbH

부품명 AS1170
상세설명  AS1170 High current LED/VCSEL driver
PDF  53 Pages
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제조업체  OSRAM [OSRAM GmbH]
홈페이지  http://www.osram.com
Logo OSRAM - OSRAM GmbH

AS1170 데이터시트(HTML) 24 Page - OSRAM GmbH

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AS1170
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Datasheet
• PUBLIC • Document Feedback
DS001083
• v2-00 • 2024-Feb-05
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The internal circuit for low voltage current reductions are shown in Figure 20.
Figure 20: Low voltage current reduction internal circuit
A mobile phone camera flash system can trigger a diagnostic flash and a main-flash:
The diagnostic flash is initiated by the processor. After this diagnostic flash, the determined
maximum flash current can be read back through the I²C interface from register
led_current_min and used for the setting for the main flash. Therefore the current in the main-
flash is constant and additionally the camera system can use this current for picture quality
adjustments.



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