RT8474 Datasheet - Richtek

RT8474, High Voltage Multiple-Topology LED Driver

® RT8474 High Voltage Multiple-Topology LED Driver with Dimming Control General .
The RT8474 is a current-mode LED driver supporting wide input voltage range from 4.

Features

* High Voltage : VIN Up to 50V, VOUT Up to 50V
* Support Multiple-Topologies (Buck / Boost / Buck- Boost)
* Built-In 2A Power Switch
* Current-Mode PWM Control
* 500kHz Fixed Switching Frequency
* Analog or PWM Control Signal for LED Dimming
* Internal Soft-Start to Avoid

Applications

* Desk Lights and Room Lighting
* Industrial Display Backlight Marking Information RT8474 GSPYMDNN RT8474GSP : Product Number YMDNN : Date Code Pin Configurations (TOP VIEW) VCC ISP ISN NC 8 27 GND 36 9 45 CREG SW CTL VC SOP-8 (Exposed Pad) Simplified Application Circuit VIN R3 C1

RT8474-Richtek.pdf