RT8453 High Voltage Buck LED Driver

Richtek

Description

Conceptual RT8453 High Voltage BUCK LED Driver General .
The RT8453 is a Buck current mode PWM regulator for LED driving applications.

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Datasheet Specifications

Part number: RT8453
Manufacturer: Richtek
File Size: 131.44 KB
Datasheet: RT8453-Richtek.pdf
Description: High Voltage Buck LED Driver

Features

* z High Voltage : VIN up to 40V z 1.5A Switch Current z Current Mode PWM with 800kHz Switching z Frequency z Easy Dimming : Analog or Digital method z Programmable Soft Start to Avoid Inrush Current z VIN Under Voltage Lockout and Thermal Shutdown z RoHS Compliant and Halogen Free Ordering Informati

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 s

RT8453 Distributors

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RT8453 High Voltage Buck LED Driver Richtek

Richtek RT8453-like datasheet