RT9379 RICHTEK [Richtek Technology Corporation], RT9379 Datasheet - Page 2

• Manufacturer Part Number: RT9379
• Description: 6 Channels 150mA x1/x1.5/x2 Charge Pump White LED Driver
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9379
Typical Application Circuit
Function Block Diagram
www.richtek.com
2
PGND
AGND
VIN
C
1µF
EN
CF
IN
1µF
C
OUT
PWM Input
UVLO
C
0.1µF
CF
C1P
Shutdown Delay
Current
Bias
VIN
EN
CF
VOUT
PWM Dimming
C1P
Gate Driver
Mode Decision
C
Controller
C1N
1µF
AGND
FLY1
C1N C2P
RT9379
C2P C2N
PGND
C
1µF
FLY2
1MHz
LED1
LED2
LED3
LED4
LED5
LED6
OSC
C2N
Current Source
Soft Start
Circuit
OVP
VOUT
LED1
LED2
LED3
LED4
LED5
LED6
DS9379-01 April 2011