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AS3490 Datasheet(PDF) 14 Page - ams AG

Part # AS3490
Description  Highly Efficient 2-6 LEDs Backlight Driver with PWM Input
PDF  19 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3490 Datasheet(HTML) 14 Page - ams AG

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AS3490
Datasheet - D e ta i l e d D e s c r i p t i o n
DCDC Inductor Peak Current Limitation
To limit the maximum current from the battery, the DCDC converter limits its current through the coil to ILIMIT on a cycle
by cycle basis.
Overtemperature Protection
The junction temperature of the AS3490 is continuously monitored. If the temperature exceeds TOVTEMP, the DCDC is
stopped. The driver is automatically re-enabled once the junction temperature drops below TOVTEMP-TOVTEMPHYST.
Supply undervoltage Protection
If the voltage on the pin VIN is or falls below VUVLO, the AS3490 is kept in shutdown.



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