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RT8453B Datasheet - Richtek

RT8453B High Voltage Buck LED Driver

The RT8453B is a buck current mode PWM regulator for LED driving applications. It provides an integrated 1.5A switch and can be operated with a wide input voltage range from 4.5V to 40V. With a 500kHz operating frequency, the RT8453B allows all external inductor and input/output capacitors to be sma.

RT8453B Features

* z Input Operating Range 4.5 to 40V z 1.5A Switching Current Limitation z 10% Constant Current Output Accuracy z Current Mode PWM with 500kHz Switching Frequency z Analog or PWM Control Signal for LED Dimming z Programmable Soft-Start z Input Under Voltage Lockout z Over Temperature Protection z RoHS

RT8453B-Richtek.pdf

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Datasheet Details

Part number:

RT8453B

Manufacturer:

Richtek

File Size:

135.91 KB

Description:

High voltage buck led driver.

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TAGS

RT8453B RT8453B High Voltage Buck LED Driver Richtek

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