Boost Controller with Dimming Control


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The RT8525 is a wide input operating voltage range step up controller. High voltage output and large output current are feasible by using an external N-MOSFET. The RT8525 input operating range is from 4.5V to 29V.

The RT8525 is an optimized design for wide output voltage range applications. The output voltage of the RT8525 can be adjusted by the FB pin. The PWMI pin can be used as a digital input, allowing WLED brightness control with a logic-level PWM signal.


  • LCD TV, Monitor Display Backlight
  • LED Driver Application
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Boost Controller with Dimming Control2011/12/28
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Boost Controller with Dimming Control 2015/05/19
Technical Documents
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Richtek Wide Input Voltage Range DC/DC Power Solutions for Industrial, Automotive and LED lighting applications2019/12/12
LED Backlight System and Power Solutions2018/10/30
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT8525GSSOP-142500 Not available Buy from Distributor