Datasheet Details
- Part number
- RT8474A
- Manufacturer
- Richtek
- File Size
- 204.26 KB
- Datasheet
- RT8474A-Richtek.pdf
- Description
- High Voltage Multiple-Topology LED Driver
RT8474A Description
® RT8474A High Voltage Multiple-Topology LED Driver with Open Detection General .
The RT8474A is a current-mode LED driver supporting wide input voltage range from 4.
RT8474A 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
RT8474A Applications
* Desk Lights and Room Lighting
* Industrial Display Backlight
Marking Information
RT8474A GSPYMDNN
RT8474AGSP : Product Number YMDNN : Date Code
Simplified Application Circuit
VIN
Analog Dimming or PWM Dimming
R5 C1
RT8474A
VCC C5 ISP
ISN CTL
R1
R2 C2
SW VC
CREG
OVP
C3 GND
RSE
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