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AS3492 датащи(PDF) 13 Page - ams AG

номер детали AS3492
подробное описание детали  Highly Efficient 2-10 LEDs Backlight Driver with 2 PWM Inputs
PDF  19 Pages
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производитель  AMSCO [ams AG]
домашняя страница  http://www.ams.com
Logo AMSCO - ams AG

AS3492 датащи(HTML) 13 Page - ams AG

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AS3492
Datasheet - D e ta i l e d D e s c r i p t i o n
Figure 18. Single Open LED detection
Figure 19. All LEDs open
Protection and Fault Detection Functions
The protection functions protect the AS3492, its external components and connected LEDs against physical damage.
Overvoltage Protection
The voltage on VOUT is kept below or at VVOUT_MAX under every operating condition
6. If the voltage on VOUT is at
VVOUT_MAX for more than 70ms
7, the DCDC will shutdown. It can be re-enabled by setting ON13 and ON45 to low for
more than tTIMEOUT.
6. When reaching VOUT=VVOUT_OPENLED, the open LED detection is performed.
7. The duration can vary from 55ms to 85ms within a single AS3492.


 
    
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