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RT8453 Dataheets PDF



Part Number RT8453
Manufacturers Richtek
Logo Richtek
Description High Voltage Buck LED Driver
Datasheet RT8453 DatasheetRT8453 Datasheet (PDF)

Conceptual RT8453 High Voltage BUCK LED Driver General Description The RT8453 is a Buck current mode PWM regulator for LED driving applications. It has a 1.5A switch on board and can be operated with wide input range from 4.5V to 40V. With a 800kHz operating frequency, the external PWMinductor and input/output capacitors can all be small. High efficiency is achieved with a 190mV current sensing. Dimming can be either analog or PWM digital signal driven. The RT8453 is available in SOP8 (Expose.

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