Datasheet Details
- Part number
- RT8474
- Manufacturer
- Richtek
- File Size
- 196.48 KB
- Datasheet
- RT8474-Richtek.pdf
- Description
- High Voltage Multiple-Topology LED Driver
RT8474 Description
® 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.
RT8474 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
RT8474 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
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