RT8452 Datasheet High Voltage High Current LED Driver Controller

Manufacturer: Richtek

Datasheet Details

Part number	RT8452
Manufacturer	Richtek
File Size	321.94 KB
Description	High Voltage High Current LED Driver Controller
Datasheet	RT8452 Datasheet

The RT8452 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications.

With a current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor.

With the maximum operating input voltage of 36V and output voltage up to 48V, the RT8452 is ideal for Buck, Boost or Buck-Boost operation.

® RT8452 High Voltage High Current LED Driver Controller for Buck Boost or Buck-Boost Topology.

z High Voltage Capability : VIN Up to 36V, VOUT Up to 48V z Buck, Boost or Buck-Boost Operation z Current Mode PWM with 350kHz Switching Frenquency z Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor z True PWM Dimming : External FET Driver is Build- in z Programmable Soft Start to Avoid Inrush Current z Programmable Over Voltage Protection z VIN Undervoltage Lockout and Thermal Shutdown z 16-Lead WQFN and SOP Packages. z RoHS Compliant and Halogen Free A.

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