RT9363A Datasheet, PDF (4/11 Pages) Richtek Technology Corporation – 3 Channels 90mA x1/x2 Charge Pump White LED Driver

RT9363A
Function Block Diagram
CP CN
VIN
EN
ISET
Gate Driver
1MHz
OSC
Mode Decision
UVLO
Current
Bias
16 Steps Pulse
Dimming Controller
OVP
Soft Start
Circuit
+ Vr1
-
Min VDS
Shutdown Delay
Current Source
R_SET
Selection
R_SET
VOUT
LED1
LED2
LED3
GND
www.richtek.com
4
DS9363A-03 April 2011