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The RT8525D 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 RT8525D input operating range is from 4.5V to 25V.

The RT8525D is an optimized design for wide output voltage range applications. The output voltage of the RT8525D can be adjusted by the FB pin.

Applications

  • LCD TV, Monitor Display Backlight
  • LED Driver Application
  • High Current High Output Voltage DC/DC Converters
  • High Input Voltage DC/DC Converters
Key Spec.
RT8525D
Status Active
Vin (min) (V) 4.5
Vin (max) (V) 25
Iq (typ) (mA) 1.3
VFB (typ) (V) 1.25
Freq (typ) (kHz) 200
Duty (max) (%) 90
Features Adjustable Current Limit;Adjustable Frequency;Adjustable Soft-Start;Current Mode Control;Enable Input;OCP;OVP;Power Good;UVP
Package Type WDFN3x3-12
Features
  • VIN Range : 4.5V to 25V
  • Programmable Soft-Start Time
  • Programmable Boost SW Frequency from 50kHz to 600kHz
  • Output Over Voltage Protection
  • Output Under Voltage Protection
  • 12-Lead WDFN Package
  • RoHS Compliant and Halogen Free
Datasheet
TitleVersionLast UpdateDownload
RT8525D: Current Mode Boost ControllerV1.02015/04/29
Technical Documents
TitleItem TypeLast UpdateDownload
Richtek Product Selection Guide [Jan., 2024] Selection Guide2024/01/18
Richtek Featured Product Tree [Aug., 2023] Selection Guide2023/08/07
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT8525DGQWWDFN3x3-121,500 Request Digikey 1,377 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT8525DGQW Digikey 5 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
Please confirm with our distributor or sales representative for actual stock status.
Datasheet
TitleVersionLast UpdateDownload
RT8525: Boost Controller with Dimming ControlV1.02015/04/29
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